back怎麼讀

back的讀音是：英[bæk]。

back的讀音是：英[bæk]。back的詞語用法是n.(名詞)back用作名詞的基本意思是表示人的“背；背部”和表示某物的“後面；後部”。引申可作“椅背”“後襟”等解。用於球類運動則指“後衛”。back【近義詞】rear後面的。

一、詳盡釋義點此查看back的詳細內容

n.(名詞)背後部，後面末尾背脊，脊靠背後衛，後衛球員椅背反面，裏面體力甲【造船】(船的)龍骨襯墊底座adv.(副詞)向後以前，從前回原處，在原處歸，還退，倒，後退地追溯，往回止住延緩回，返回復原狀在後面向背面回頭adj.(形容詞)偏僻的過去的到期未付的，拖欠的向後的，向後動的過期的【語】舌根音的後部的，背部的，後面的邊遠的，邊陲的回程的逆的落後的v.(動詞)後退，倒退，退後支持打賭，下睹注於使倒退，使後退援助，贊助，幫助，資助裱褙，裱（畫）背書避免（做討厭的事）放棄逆行反（時針）轉來來去去，翻來覆去給...裝背襯，給...加襯裏，作…的襯裏裝上（椅）背作的背景給...做後援慫恿【海】（風）逆時針轉向伴奏，伴奏在…背後加固位於（某物）的後面，站在後面襯托背朝由於對手的差錯而進入（有利地位）

二、雙解釋義

n.(名詞)[S]後部,反面 part or surface of an object that is furthest from the front; part that is less used, less visible or less important[C]背,背部 rear part of the human body from the neck to the buttocks[C]椅背 part of a chair against which a seated person's back rests; part of a garment covering the backv.(動詞)vt. & vi. (使)後退,(使)倒退 (cause to) go backwardvt. 支持 supportadj.(形容詞)[A]後邊的 situated behind[A]過去的,過期的 of or for a past time[A]遲交的,欠交的 owed for a time in the past; overdue[A]後元音的 (of a vowel) formed at the back of the mouthadv.(副詞)往後,在後面 towards or at the rear; away from the front or centre控制住,忍住 under control恢復; 上溯 in an earlier position, condition or stage; into the past回報 in return

三、詞典解釋

副詞用法（ADVERB USES）

In addition to the uses shown below,back is also used in phrasal verbs such as ‘date back’ and ‘fall back on’.
除下列用法外，back還可用於date back, fall back on 等短語動詞中。

1.向後；往後；往回
If you moveback, you move in the opposite direction to the one in which you are facing or in which you were moving before.

e.g. The photographers drewback to let us view the body...
攝影師往後退開，好讓我們查看屍體。
e.g. She steppedback from the door expectantly...
她滿懷期待地從門口退了回來。

2.回到原處
If you goback somewhere, you return to where you were before.

back的翻譯

e.g. I wentback to bed...
我回到牀上。
e.g. I'm dueback in London by late afternoon...
我預計下午晚些時候回到倫敦。

3.恢復原狀；回到原來的狀態
If someone or something isback in a particular state, they were in that state before and are now in it again.

e.g. The rail company said it expected services to get slowlyback to normal...
鐵路公司表示，其運輸服務將慢慢恢復正常。
e.g. Denise hopes to beback at work by the time her daughter is one...
丹尼絲希望等女兒滿週歲就回去工作。

4.歸還；交還；放回；收回
If you give or put somethingback, you return it to the person who had it or to the place where it was before you took it. If you get or take somethingback, you then have it again after not having it for a while.

back什麼意思

e.g. She handed the knifeback...
她遞還刀子。
e.g. Put itback in the freezer...
把它放回冰箱。

5.（將鐘錶）撥回
If you put a clock or watchback, you change the time shown on it so that it shows an earlier time, for example when the time changes to winter time or standard time.

6.迴應（來信、電話、目光等）
If you write or callback, you write to or telephone someone after they have written to or telephoned you. If you lookback at someone, you look at them after they have started looking at you.

back的意思

e.g. They wroteback to me and they told me that I didn't have to do it...
他們回信告訴我說不必那麼做。
e.g. If the phone rings say you'll callback after dinner...
如果有電話打來，就說你吃完飯再回電話。

7.回到（某個話題）
You can say that you go or comeback to a particular point in a conversation to show that you are mentioning or discussing it again.

back

e.g. Can I comeback to the question of policing once again?...
我能再回到維護治安的問題上來嗎？
e.g. To comeback to what I said in the Introduction, in the nineteenth century Spain was fully a part of Europe...
回到我在導言中所說的，19世紀的西班牙是歐洲整體的一部分。

8.再次流行；再度成爲潮流
If something is or comesback, it is fashionable again after it has been unfashionable for some time.

e.g. Short skirts areback...
短裙又流行起來了。
e.g. Consensus politics could easily comeback into fashion.
共識政治很可能再度興起。

9.在一段距離之外
If someone or something is kept or situatedback from a place, they are at a distance away from it.

back的近義詞

e.g. Keepback from the edge of the platform...
請勿靠近站臺邊緣。
e.g. I'm a few milesback from the border...
我距離邊境數英里。

10.收攏；攏起；束起
If something is held or tiedback, it is held or tied so that it does not hang loosely over something.

e.g. Her hair was tiedback...
她的頭髮紮了起來。
e.g. The curtains were heldback by tassels.
窗簾用穗子攏了起來。

11.（舒適地）向後仰
If you lie or sitback, you move your body backwards into a relaxed sloping or flat position, with your head and body resting on something.

e.g. She layback and stared at the ceiling...
她躺下盯着天花板。
e.g. She leanedback in her chair and smiled.
她靠在椅背上，微笑起來。

12.回頭，轉身（看或喊）
If you look or shoutback at someone or something, you turn to look or shout at them when they are behind you.

e.g. Nick lookedback over his shoulder and then stopped, frowning...
尼克回頭看了看，又皺着眉頭停了下來。
e.g. He calledback to her.
他轉身叫她。

13.（表示描述場所的轉換）在曾提到過的地方
You useback in expressions likeback in London orback at the house when you are giving an account, to show that you are going to start talking about what happened or was happening in the place you mention.

e.g. Meanwhile,back in London, Palace Pictures was collapsing...
與此同時，倫敦的皇宮影業公司也正在分崩離析。
e.g. Later,back at home, the telephone rang.
隨後，家裏的電話響了。

14.以前；過去；追溯至
If you talk about something that happenedback in the past or several yearsback, you are emphasizing that it happened quite a long time ago.

e.g. The story startsback in 1950, when I was five...
故事可以追溯到1950年，那時我才5歲。
e.g. I was in St. Luciaback in January of this year...
今年1月份我在聖盧西亞。

15.回想；回憶
If you thinkback to something that happened in the past, you remember it or try to remember it.

e.g. I thoughtback to the time in 1975 when my son was desperately ill...
我回想起1975年我兒子病得奄奄一息的那段時間。
e.g. My mind flewback to stories I had heard about Vinnie.
我回想起曾聽到過的關於文妮的那些傳聞。

16.來回；往返
If someone movesback and forth, they repeatedly move in one direction and then in the opposite direction.

e.g. He pacedback and forth...
他來回踱步。
e.g. Two boys were in the street, tossing a baseballback and forth.
兩個男孩在街上來來回回地投接棒球。

17. to cast your mindback -> see mind

名詞和形容詞用法（NOUN AND ADJECTIVE USES）

1.背（部）；後背；脊背
A person's or animal'sback is the part of their body between their head and their legs that is on the opposite side to their chest and stomach.

e.g. Her son was lying peacefully on hisback...
她兒子安靜地仰面躺着。
e.g. She turned herback to the audience...
她轉過身背對着觀衆。

2.後面；後部
Theback of something is the side or part of it that is towards the rear or farthest from the front. The back of something is normally not used or seen as much as the front.

e.g. ...a room at theback of the shop...
商店後部的一個房間
e.g. She raised her hands to theback of her neck...
她舉起雙手放於頸後。

3.後面的；後部的
Back is used to refer to the side or part of something that is towards the rear or farthest from the front.

e.g. He opened theback door...
他打開了後門。
e.g. Ann could remember sitting in theback seat of their car.
安記得自己坐在他們車的後座上。

4.（椅子或沙發的）靠背
Theback of a chair or sofa is the part that you lean against when you sit on it.

e.g. There was a neatly folded pink sweater on theback of the chair.
椅子的靠背上搭着一件疊得整整齊齊的粉色毛衫。

5.（紙、信封等的）反面，背面
Theback of something such as a piece of paper or an envelope is the side which is less important.

e.g. Send your answers on theback of a postcard.
將答案寫在明信片背面寄出。

6.（書等的）末尾
Theback of a book is the part nearest the end, where you can find the index or the notes, for example.

back什麼意思

e.g. ...the index at theback of the book...
書末索引
e.g. You've given a whole list of names and addresses at theback.
你已經在末尾完整地列出了名字和地址。

7.（用於round the back, out the back等表達方式中）房屋（或其他建築物）後的區域
You can useback in expressions such asround the back andout the back to refer generally to the area behind a house or other building.

e.g. He had chickens and things round theback...
他在房子後面養了些雞啊什麼的。
e.g. The privy's out theback.
廁所在房子後面。

8.（用於out back等表達方式中）房屋（或其他建築物）後的區域；（用於in back等表達方式中）汽車（或建築物等）的後部
You useback in expressions such asout back to refer to the area behind a house or other building. You also usein back to refer to the rear part of something, especially a car or building.

e.g. Dan informed her that he would be outback on the patio cleaning his shoes...
丹告訴她說他要去房子後面的露臺上擦鞋。
e.g. Catlett got behind the wheel and I sat inback...
卡特利特開車，我坐在車子後面。

9.（足球、曲棍球等運動中的）後衛
In team games such as football and hockey, aback is a player who is concerned mainly with preventing the other team from scoring goals, rather than scoring goals for their own team.

10.（美式橄欖球運動中的）進攻後衛
In American football, aback is a player who stands behind the front line, runs with the ball and attacks rather than defends.

11.揹着（某人）
If you say that something was donebehind someone'sback, you disapprove of it because it was done without them knowing about it, in an unfair or dishonest way.

e.g. You eat her food, enjoy her hospitality and then criticize her behind herback.
你吃着她的食物，享受着她的款待，然後還在背地裏指責她。

12.完成…最困難的部分
If youbreak the back of a task or problem, you do the most difficult part of what is necessary to complete the task or solve the problem.

e.g. It seems at least that we've broken theback of inflation in this country...
看起來至少我們已經解決了這個國家通貨膨脹中最棘手的問題。
e.g. We can deliver supplies and work to break theback of the famine.
我們可以運送物資，努力解決饑荒中最關鍵的問題。

13.接連地；連續地
If two or more things are doneback to back, one follows immediately after the other without any interruption.

e.g. ...two half-hour shows, which will be screenedback toback.
連續播放的兩檔半小時節目

14.（衣服）前後穿反；（順序）前後顛倒
If you are wearing somethingback to front, you are wearing it with the back of it at the front of your body. If you do somethingback to front, you do it the wrong way around, starting with the part that should come last.

e.g. He wears his baseball capback to front...
他把棒球帽反戴着。
e.g. The picture was printedback to front.
圖片印反了。

in AM, use 美國英語用 backward

15.不再（對某人）批評（或施壓等）
If you tell someone toget off yourback you are telling them angrily to stop criticizing you or putting pressure on you.

back的翻譯

e.g. He kept on at me to such an extent that occasionally I wished he would get off myback.
他一直對我嘮叨個沒完，有時我真希望他不要再煩我了。

16.緊跟着；緊接着
If you say that one thing happenson the back of another thing, you mean that it happens after that other thing and in addition to it.

e.g. The cuts, if approved, come on theback of a difficult eight years that have seen three London fire stations closed.
8年的艱難時期剛剛過去，在此期間，倫敦有3家消防站遭關閉。如獲批准，裁減又會接踵而至。

17.（使）受到威脅；（使）處於不利地位
If someone ison the back foot, or if somethingputs themon the back foot, they feel threatened and act defensively.

e.g. From now on Labour will be on theback foot on the subject of welfare.
今後工黨在福利問題上將處於下風。
e.g. ...another scheme designed purely to put the Scots Nationalists on theback foot.
另一項純粹旨在讓蘇格蘭民族黨人被迫退居守勢的計劃

18.互相幫助；與人方便，與己方便
People say'You scratch my back and I'll scratch yours' to mean that one person helps another on condition that the second person helps them in return.

back的反義詞

19.希望（某人）離開
If you say that you will beglad to see the back of someone, you mean that you want them to leave.

back

e.g. I was so badly behaved I was convinced she would be glad to see theback of me.
我的表現如此差勁，相信她會很高興看到我離開。

20.忽略；背棄；拒絕；對…不予理睬
If youturn yourback on someone or something, you ignore them, leave them, or reject them.

e.g. Stacey Lattisaw has turned herback on her singing career with Motown Records to become a gospel singer...
斯泰茜·拉蒂索拋棄了自己在摩城唱片公司的演唱事業，成爲了一名福音歌手。
e.g. Gunnell is not the sort to turn herback on someone who has coached her for 12 years.
岡內爾不是那種將指導了自己12年的教練拒之門外的人。

21.使生氣；觸怒；惹惱
If someone or somethingputs yourback up orgets yourback up, they annoy you.

e.g. Some food labelling practices really get myback up.
有些食物標籤的貼法實在讓我生氣。

22. off theback of a lorry -> see lorry
to take aback seat -> see seat
to have yourback to the wall -> see wall

動詞用法（VERB USES）

1.背對；背向；背朝
If a buildingbacks onto something, the back of it faces in the direction of that thing or touches the edge of that thing.

e.g. We live in a ground floor flat which backs onto a busy street...
我們住在一樓的一套公寓房裏，背對着一條繁忙的街道。
e.g. His garden backs onto a school.
他的花園背朝一所學校。

2.倒（車）；倒退
When youback a car or other vehicle somewhere or when itbacks somewhere, it moves backwards.

e.g. He backed his car out of the drive...
他把車倒出了私人車道。
e.g. The train backed out of Adelaide Yard on to the Dublin-Belfast line...
火車倒出了阿德萊德調車場，開上了都柏林-貝爾法斯特線。

3.支持；資助
If youback a person or a course of action, you support them, for example by voting for them or giving them money.

back的反義詞

e.g. There is a new witness toback his claim that he is a victim of mistaken identity.
有新的目擊證人證明他的說法，他是被錯認了。
e.g. ...if France cannot persuade all five permanent members of the Security Council toback the plan...
如果法國不能說服安理會五個常任理事國都支持該計劃

-backed
...government-backed loans to Egypt.
向埃及提供的政府貸款

4.預測…獲勝；（通常指）下賭注於
If youback a particular person, team, or horse in a competition, you predict that they will win, and usually you bet money that they will win.

e.g. Roland Nilsson last night backed Sheffield Wednesday to win the UEFA Cup...
昨晚羅蘭·尼爾森打賭謝菲爾德週三隊會捧得歐洲聯盟杯。
e.g. The horse's owner Mr Hitchins backed him at 200-1 to finish in the first three...
馬的主人希欽斯先生以200比1的賠率賭它獲得前三名。

5.爲…伴奏（或伴唱）
If a singeris backed by a band or by other singers, they provide the musical background for the singer.

e.g. She was backed by acoustic guitar, bass and congas.
原聲吉他、貝斯和康茄鼓爲她伴奏。

6. see also: backing

相關詞組：back awayback downback offback outback up

四、例句

Three people can sit in the back of this car.

這車的後座可坐3個人。

It encouraged him to talk because his back had stiffened in the night and it hurt truly now.

他靠說話來鼓勁,因爲他的背脊在夜裏變得僵直,眼下真痛得厲害。

You'll make your back ache if you carry those heavy buckets.

如果你背那些沉重的桶，你的背會痛的。

John plays back in the team.

約翰在這個隊打後衛。

I'll back you up no matter what's happening.

不論發生什麼事,我都會支持你。

I found no evidence to back your interpretation.

我找不到證據來支持你的解釋。

You'll have to back the car up into the garage.

你得倒車，開進車庫。

He refused to back away from his position.

他拒絕放棄自己的立場。

Slacken your legs and slowly lie back.

放鬆雙腿, 慢慢向後躺下。

Stand back! You're stepping on my toes.

向後站！你踩在我的腳趾頭上了。

The kangaroo uses its back legs to jump.

袋鼠是用牠的後腳在跳。

I bought some back issues of science magazines yesterday.

昨天我買了幾本過期的科學雜誌。

五、常見句型

用作名詞(n.)There used to be a big and beautiful garden at the back of their house.
以前在他們房子的後方是一個大花園。There is a lot of useful information at the back of this dictionary.
這本詞典的後面附有很多有用的信息。The last time I bought from a market trader I was given rotten fruit from the back of the pile.
上次我在集市上買東西,小販賣給我的是從水果堆後面揀出的爛水果。I've got a sore place in my back.
我背上有個地方痛。He likes sitting in the back of the class.
他一直喜歡坐在教室的後排。Some fishes have gills on the back.
一些魚背上有刺。There is a bird on the back of a piece of cloth.
一塊布的反面有一隻鳥。You write the address on the front of an envelope, not on the back of it.
你把地址寫在信封正面,而不是反面。I am afraid my report for the past year is not a very cheerful one, it is the story of one calamity on the back of another.
恐怕我關於去年的報告不令人愉快,那是一個接一個的災難故事。The little boy was dozing with his back against the chair.
那個小男孩正靠在椅子上打盹。Did you paint the back of the bookcase?
你漆過書櫥的背面嗎?My home lies back of the school.
我家就在學校後面。One of the backs was hurt in the match.
其中一名後衛受了傷。用作動詞(v.)用作不及物動詞S+～(+A)The horse backed suddenly.
馬突然向後倒退。Don't back off.
別打退堂鼓。用作及物動詞S+～+ n./pron.I hope you will back my thought.
我希望你能支持我的想法。Can you back your story with facts?
你能舉出事實來證明你的話嗎?You could back the dress with silk.
你可以給這件衣服加絲綢襯裏。1All our books have now been backed.
現在我們的書全部都包上了書皮。用作形容詞(adj.)用作定語～+ n.On the back wall there is a map of China.
後牆上有一幅中國地圖。He came through the back door.
他從後門進來。Does the back door have a lock on it?
後門上鎖沒有?He sat in a back seat in the car.
他坐在車的後座上。There is something wrong with the back wheels of the truck.
卡車的後輪出了故障。He clawed his way up from the back streets of Glasgow.
他是從格拉斯哥的窮街陋巷裏爬上來的。The war is all back history now, and our two countries are good friends.
這場戰爭已成爲過去的歷史,我們兩國現在是友邦了。He owed three months' back rent.
他欠了3個月的租金。用作副詞(adv.)用作狀語The crowd fell back to let the fire engine through.
人羣向後退去,以便給消防車讓路。Our army forced the enemy to fall back.
我軍迫使敵軍撤退。I bent back too far and hurt my neck.
我向後仰得過度了,扭傷了脖子。I hope you'll never change back from the person you have recently become.
你最近跟過去判若兩人,我希望你不要故態復萌。Students have no way of getting back at a teacher who marks their work unfairly.
學生無法報復評分不公道的老師。The sight of the garden bears back the days when we lived in Paris.
見到那個花園使我們回想起當年住在巴黎時的日子。It was he who bore back the latest news.
是他帶回了最新的消息。用作表語He will be back before the month is out.
他將在月底前回來。He is sure to be back soon.
他不久一定會回來。I shall be back this evening.I'm not sure what train.
我今晚回去,但說不準哪趟火車。After a year in the hospital, he's back in circulation.
住了一年醫院之後,他又活躍起來了。用作賓語補足語That smell of freshly baked bread carries me back!
新烤麪包的氣味使我憶起往事!May I borrow your pen?I'll bring it back tomorrow.
我可以借用一下你的鋼筆嗎?我明天還。Don't bend the book back, you'll damage it.
別向後卷書,會弄壞的。Would you carry the chairs back into the house for me?
你能替我把這些椅子送回那個屋子裏嗎?

六、詞彙搭配

用作名詞 (n.)動詞+～break one's back拼命幹,盡最大努力break the back of sth完成某事最艱難的部分get sb's back up觸怒某人get off sb's back不再找某人的麻煩give sb one's back不理睬某人have one's back to the wall陷入絕境lean one's back against the wall以背靠牆put one's back into sth孜孜不倦地做某事see the back of趕走,攆走sit in the back坐在後面turn one's back on對…掉頭不顧,輕視介詞+～at sb's back幕後支持at the back在後部at the back of one's mind在腦中醞釀behind sb's back瞞着某人from the back從後面in the back (of)在(…的)後部in the back of the book書後的附錄中in the back of one's mind下意識地,潛意識地lie on one's back仰臥on one's back仰天而臥,用背馱on the back of a magazine雜誌的封底上～+介詞back to back背靠背stand back to back背對背站着用作動詞 (v.)～+副詞back agilely機敏地支持back consistently一貫支持back contemptuously傲慢地支持back deliberately故意支持back discreetly謹慎地支持back strongly堅決支持back down退出back off後退,放棄back out不遵守back up支持,堵塞,後退～+介詞back against面對,反對back by sb's influence在某人權勢的支持下back away from從…避開back into the garage倒進車庫back onto背朝着back through the gate倒出大門back dress with silk用綢布做衣服襯裏用作形容詞 (adj.)～+名詞back door後門back seats後座back vowels後元音back yard後院用作副詞 (adv.)動詞+～answer back反駁，回嘴，頂嘴；還擊bite back很快忍住說出(祕密或冒犯他人的話)blink back one's tears用眨眼來抑制淚水bounce back(失意後)恢復，回升bring back帶回；歸還；使回憶起；恢復bring back to health使恢復健康bring back to life使恢復生命call back回電話；叫回carry...back (to)使回想起choke back忍住，抑制claim back (from)要求收回，索回come back回來；又流行起來；恢復記憶；想起來；(指制度、法律)恢復cut back修剪；縮減date back to追溯到double back(爲躲避追捕)原路返回；摺疊起來，對摺draw back (from)引開，拉開，縮回；撤回，取消；(比賽中)超越drive back迫使…後退；駕車返回drop back落後；後撤fall back後退，退卻fall back on〔upon〕求助於，依賴feed back (to)反饋回…fold back摺疊，折起get back回來，回到；失而復得；取回，恢復原位；對…報復get back into circulation重新恢復正常生活get back into harness病癒後重新工作get back to返回give back歸還；恢復(視力、自由等)；反射出，照出go back on (one's word)背棄；食言go back to返回，歸還，退回；重做某事，重操舊業；(冬令制)把鐘錶調回；追溯，時光返回到hand back (to)交還；物歸原主hang back猶豫；退縮have back收回(被借走、偷走等之)某物；允許(分手的配偶等)返回hold back阻止前進；控制；抑制；(由於謹慎、害怕而)猶豫，躊躇；保留，扣住(不發表)，保密keep back (from)保持一定距離，剋制住，擋住；隱瞞住，不讓知道；扣留；留住；不付lie back往後靠坐；放鬆look back (on)回顧pay back歸還；還清；報復play back放，放送(唱片、磁帶等)pull back撤退，撤回push back逼迫；使撤退；把…推回原處put...back把…放回原處；倒撥時鐘；使(日期)推遲；放慢；延遲；阻止put the clock back倒行逆施；開倒車read...back讀出(信息內容等)以供覈對refer...back (to)(將文件等)退回、交回給…予以某種處理；重新提及report back (to)歸來報到；作調查彙報ring back再打電話；回電話roll back(使)捲起來；把(錄音帶等)捲回；(浪潮)退落；撤退，擊退；(過去的時光)返回run back倒卷，倒回(影片、錄音帶等)run back over回顧；再次審議send back(因不滿意)送回，退還(商品或飯菜)set back耽誤，阻礙進展；使…破費；使(建築物)坐落在離開…一定的距離settle back安坐在椅子裏shrink back (from)(由於害怕)畏縮；退縮sit back在一旁閒着，袖手旁觀spring back彈回stand back位於離…有一段距離的地方；保持距離以便更好地理解或判斷；拒絕介入；退出step back後退take back使回來；歸來；同意接受退貨；重新任命被解職者；收回，撤回take sb back (to)使某人回想起talk back回嘴，頂嘴think back on回想，回憶think back to回想，回憶throw back扔回；揭去，拉開；阻擊，耽誤，擊退；(責備地)向…重提throw back on迫使…依靠trace back (to)追溯；回溯turn back(使)折回，往回走whip back迅速返回或彈回win back贏回，奪回wind back(磁帶)倒帶；(膠捲)倒卷

七、詞語用法

n.(名詞)back用作名詞的基本意思是表示人的“背；背部”和表示某物的“後面；後部”。引申可作“椅背”“後襟”等解。用於球類運動則指“後衛”。back作“後面”“背面”“反面”解時用單數形式,其前須加定冠詞the。在表示較近的“後面,背面”時用on the back of；在表示較遠的“後面”時用at the back of(範圍之外)或in the back of(範圍之內)，在美式英語中at〔in〕可省略。v.(動詞)back的基本意思是“(使)後退”,指某人或某物回到原來的位置或狀態。有時引申可表示“支持”,即“作後盾”。back可用作及物動詞或不及物動詞,用作及物動詞時接名詞或代詞作簡單賓語。adj.(形容詞)back表示位置或方向時意思是“後面的,往後的”。也可表示時間作“過去的,過期的”“遲交的,欠交的”解,在句中只用作定語。back在語音學中也可作“後元音的”解。back在句中只用作定語,不用於比較等級。adv.(副詞)back用作副詞的基本意思是“往後,在後面”,也可引申表示“忍住”“恢復”或“上溯”。back常修飾動態動詞(如不及物動詞go, come, get,及物動詞bring, get, take等),在句中作狀語,也可用作表語。back和be連用可引申表示“恢復”; back和beat, hit, fight等動詞連用可表示“打退”。back作“來回；向後”解時一般不與turn連用。注意如果動詞本身已經表達了“相反動作”的意思,就不能再用back。back用作副詞時不用於比較等級。again同back的意思相近，但用法不同：back與動詞連用時，作爲副詞，常指退回到前一個狀態，或是從與之前相反的狀態返回去，而again不可這樣用。again與動詞連用時，表示“重複，再一次”。注意sell back和sell again的不同，前者是賣回給同一個人，後者是再次賣，賣給不同的人。當動詞本身指“退回，返回”的意思時，不可再用back，而可以用again加強“退回，返回”的意思。在副詞+動詞+介詞結構中，back和again都表示“回到上一狀態”。

Give me my watch back.(NOT Give me my watch again.)

Can you play it again?

The bike you sold me is too small.
If we buy this house and then have to move somewhere else, how easy will it be to sell it again?

Stefan can never return to his country (again).

I stood up, and then I sat (back) down (again).

back可以用在動詞和主語之間，而again則不可以。

Take back your money.
Count the money again, please.(NOT Count again the money.)

back and forth，backwards and forwards以及to and fro意思相似，美國人常用第一種表達方式，而英國人習慣用後兩種表達方式；back of同in back of有“在……後面”的意思，美國人常用，前者比後者使用普遍；back有時指“拖欠着的”，常見的搭配有back pay/salary（欠薪），back rent（欠租），back taxes（欠稅）等；注意as far back as the fifteenth century中第2個as後沒有in。

back的相關反義詞

face、front、stomach、fore、head、advance、approach、assist、help、stand by、support、delayed、earlier、elapsed、former、outdated、overdue、past、previous、prior

back的相關臨近詞

backache、bacillus、Backa、Backy、Backo、Backe、Backne、Backas、backpa、Backes、backed、Backus

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