knock

v.敲; 击; (常为无意地)碰，撞; 把…撞击成(某种状态)
n.敲击声; 敲门(或窗等)声; 捶击; 敲击; 撞击

过去式：knocked过去分词：knocked现在分词：knocking复数：knocks第三人称单数：knocks

牛津词典

verb

门窗 at door/window

敲；击to hit a door, etc. firmly in order to attract attention

He knocked three times and waited.他敲了三下门就等着。

Somebody was knocking on the window.有人在敲窗户。

击 hit

（常为无意地）碰，撞to hit sth, often by accident, with a short, hard blow

Be careful you don't knock your head on this low beam.小心，别把头撞在这矮梁上。

Her hand knocked against the glass.她的手碰了玻璃杯。

把…撞击成（某种状态）to put ***/sth into a particular state by hitting them/it

The blow knocked me flat.那一拳把我打倒在地。

He was knocked senseless by the blow.他被一拳打得不省人事。

She knocked my drink flying.她把我的饮料打翻了。

The two rooms had been knocked into one (= the wall between them had been knocked down) .那两间屋子打通了，成为一间屋。

打掉；敲动；打破to hit sth so that it moves or breaks

He'd knocked over a glass of water.他打翻了一杯水。

I knocked the nail into the wall.我把钉子钉进墙里。

They had to knock the door down to get in.他们不得不破门而入。

The boys were knocking (= kicking) a ball around in the back yard.男孩们在后院踢球玩儿。

The criticism had knocked (= damaged) her self-esteem.这一批评伤了她的自尊心。

打，凿（洞）to make a hole in sth by hitting it hard

They managed to knock a hole in the wall.他们设法在墙上凿了个洞。

心；膝盖 of heart/knees

（心）怦怦跳；（膝盖）打哆嗦if your heart knocks , it beats hard; if your knees knock , they shake, for example from fear

My heart was knocking wildly.我的心怦怦直跳。

发动机；管子 of engine/pipes

（尤指因故障）发碰撞声，嘭嘭作响to make a regular sound of metal hitting metal, especially because there is sth wrong

批评 criticize

（不公平地）批评；贬责；挑剔；非难to criticize ***/sth, especially when it happens unfairly

The newspapers are always knocking the England team.报纸总是攻击英格兰队。

‘Plastics?’ ‘ Don't knock it ─there's a great future in plastics.’“塑料？”“别说它不好——塑料的前景大着呢。”

noun

门窗 at door/window

敲击声；敲门（或窗等）声the sound of *** hitting a door, window, etc. with their hand or with sth hard to attract attention

There was a knock on/at the door.有敲门声。

击 hit

捶击；敲击；撞击a sharp blow from sth hard

He got a nasty knock on the head.他头部遭到重重一击。

柯林斯词典

VERB 敲；击If you knock on something such as a door or window, you hit it, usually several times, to attract someone's attention.She went directly to Simon's apartment and knocked on the door...她直奔西蒙的房间，敲了敲门。

Knock at my window at eight o'clock and I'll be ready...8点钟敲我的窗，我会准备好的。

He knocked before going in.他进去前先敲了敲门。

Knock is also a noun.

They heard a knock at the front door.他们听到前门有人敲门。

VERB 碰，撞；（尤指）碰倒，撞倒，敲动If you knock something, you touch or hit it roughly, especially so that it falls or moves.She accidentally knocked the tea tin off the shelf...她不小心把架子上的茶叶罐碰了下来。

The baby was knocked from his father's arms...婴儿被从他父亲的怀中撞落。

Isabel rose so abruptly that she knocked down her chair...伊莎贝尔起得太急了，以致碰倒了她坐的椅子。

Buckets of roses had been knocked over.一桶桶的玫瑰被撞翻在地。

Knock is also a noun.

The bags have tough exterior materials to protect against knocks, rain and dust.这些包的面料非常结实耐用，可以防撞、防雨并防尘。

VERB 打通（房间或建筑）If someone knocks two rooms or buildings into one, or knocks them together, they make them form one room or building by removing a wall.They decided to knock the two rooms into one...他们决定把两间屋子打通连成一间。

The spacious kitchen was achieved by knocking together three small rooms.这个宽敞的厨房是由3个小屋子打通连成的。

VERB 把…撞击到（某个位置）；把…打成（某种状态）To knock someone into a particular position or condition means to hit them very hard so that they fall over or become unconscious.The third wave was so strong it knocked me backwards...第3波浪太大了，把我打了回去。

They were knocked to the ground and robbed of their wallets...他们被打倒在地并被抢走了钱包。

Someone had knocked him unconscious.有人把他打昏了。

VERB 使失去（某种品质或特征）To knock a particular quality or characteristic out of someone means to make them lose it.The stories of his links with the actress had knocked the fun out of him...有关他与那位女演员有关系的传闻使他很不开心。

When they first joined for training many were starry eyed about just sailing around the world. We soon knocked that out of them...在他们参加培训之初，很多人还只是对环球航行抱有天真的想法。我们很快便使他们消除了那种想法。

Those people hurt me and knocked my confidence.那些人既伤害了我的身体又打击了我的自信心。

VERB 发碰撞声；砰砰作响If something knocks, it makes a repeated sharp banging noise.His old truck, knocking and smoking, pulled down the road and out of sight.他那辆旧卡车一边冒着烟一边哐里哐啷地沿路向前驶去，直到驶出了视线。

VERB 批评；贬责；挑剔；非难If you knock something or someone, you criticize them and say unpleasant things about them.I'm not knocking them: if they want to do it, it's up to them...我不是批评他们：想不想做那件事取决于他们。

Never knock charter flights; they are opening up the world for budget-conscious travellers.绝不要挑剔包机航班；他们使精打细算的乘客能够去往世界各地。

N-COUNT 打击If someone receives a knock, they have an unpleasant experience which prevents them from achieving something or which causes them to change their attitudes or plans.What they said was a real knock to my self-confidence...他们的话是对我自信心的一次重大打击。

The art market has suffered some severe knocks during the past two years.在过去的两年间，艺术品市场遭受了严重的打击。

PHRASE （尤指以相貌）给…留下深刻印象，使…倾倒To knock them dead means to impress people a great deal, especially with your appearance.Glamorous make-up is best reserved for days when you want to go all out to knock 'em dead.魅惑彩妆最好留到你竭力想把所有人都迷倒的时候。

PHRASE 停止干扰;打住If you tell someone to knock it off, you are telling them to stop doing something that is annoying you.Will you just knock it off!别闹了！

to knock peoples' heads together → see: head

双语例句

They came into the front hall, stamping their boots and jumping up and down to knock the snow off 他们进入了前厅，跺着靴子，蹦跳着抖掉身上的雪。

She went directly to Simon's apartment and knocked on the door 她直奔西蒙的房间，敲了敲门。

Knock at my window at eight o'clock and I'll be ready 8点钟敲我的窗，我会准备好的。

He knocked before going in. 他进去前先敲了敲门。

She accidentally knocked the tea tin off the shelf 她不小心把架子上的茶叶罐碰了下来。

The baby was knocked from his father's arms 婴儿被从他父亲的怀中撞落。

Isabel rose so abruptly that she knocked down her chair 伊莎贝尔起得太急了，以致碰倒了她坐的椅子。

Buckets of roses had been knocked over. 一桶桶的玫瑰被撞翻在地。

They decided to knock the two rooms into one 他们决定把两间屋子打通连成一间。

The spacious kitchen was achieved by knocking together three small rooms. 这个宽敞的厨房是由3个小屋子打通连成的。

The third wave was so strong it knocked me backwards 第3波浪太大了，把我打了回去。

They were knocked to the ground and robbed of their wallets 他们被打倒在地并被抢走了钱包。

Someone had knocked him unconscious. 有人把他打昏了。

The stories of his links with the actress had knocked the fun out of him 有关他与那位女演员有关系的传闻使他很不开心。

Those people hurt me and knocked my confidence. 那些人既伤害了我的身体又打击了我的自信心。

His old truck, knocking and smoking, pulled down the road and out of sight. 他那辆旧卡车一边冒着烟一边哐里哐啷地沿路向前驶去，直到驶出了视线。

I'm not knocking them: if they want to do it, it's up to them 我不是批评他们：想不想做那件事取决于他们。

Never knock charter flights; they are opening up the world for budget-conscious travellers. 绝不要挑剔包机航班；他们使精打细算的乘客能够去往世界各地。

What they said was a real knock to my self-confidence 他们的话是对我自信心的一次重大打击。

The art market has suffered some severe knocks during the past two years. 在过去的两年间，艺术品市场遭受了严重的打击。

Glamorous make-up is best reserved for days when you want to go all out to knock 'em dead. 魅惑彩妆最好留到你竭力想把所有人都迷倒的时候。

Will you just knock it off! 别闹了！

If I get this report finished I'll knock off early 如果我写完这篇报告，我就会早点下班。

Any water-skiing enthusiast can knock up a pair of skis in a few hours. 任何一个滑水爱好者都能在几小时内做成一副滑水橇。

There was a light knock at the door. 有人在轻轻地敲门。

There had been a knock at the door and when she opened it she locked herself out 外面有敲门声，她去开门，结果把自己反锁在了外面。

To his relief a loud knock on the door spared him from giving an explanation 一声重重的敲门声让他松了一口气，他可以不用解释了。

Look out! Don't knock the stool over. 哎，别把凳子碰倒了！

It's time to knock off. 该收工了。

Can you knock this nail into the wood? 你能把这钉子敲进木头里去吗？

同义词辨析

strikebeathitknock【导航词义：击打】

strike v. 打，击

〔辨析〕较正式用词，指迅速或突然地用力一击或敲击，可以是有意的，也可以是无意的。

〔例证〕Who struck the first blow?谁先动手的?He struck the boy with his stick.他用手杖打了那个男孩。The hammers strike the piano strings and make them vibrate.音锤敲击钢琴琴弦并使之震动。The huge clock at the Customs House strikes the hours.海关大钟报时。

beat v. 连续击打，击败

〔辨析〕普通用词，指用手或器械连续击打，也指在游戏、竞赛或战争中战胜对手。

〔例证〕The poor child was beaten black and blue.那可怜的孩子被打得青一块紫一块的。They were frequently cursed and beaten by the employer.他们常被雇主打骂。Jack beat Jobe to win the game.杰克在游戏中战胜了乔布。The home team beat the visiting team by a large score.主队以大比分打败了客队。

hit v. 打，打击

〔辨析〕普通用词，指有目标地猛击，强调用力击中；引申指在精神、经济等方面予以打击。

〔例证〕The missile hit the carrier.导弹击中了航空母舰。The brick hit him in the head.砖块击中了他的头部。The economic recession hit the family hard.经济衰退使这家人遭到重创。

knock v. 敲，击，打

〔辨析〕指用拳头或器械猛敲、猛打，强调非常用力。

〔例证〕The attacker knocked her to the ground and kicked her hard.袭击者把她打倒在地并狠狠地踢她。Somebody is knocking on the door.有人在敲门。I wish you wouldn't knock at the table again.我希望你不要再敲桌子了。

tapknockrap【导航词义：敲打】

tap v. 轻拍，轻敲

〔辨析〕指用手指等轻叩、轻拍或轻敲，意在引人注意，或表示爱抚等情感。

〔例证〕He tapped me on the back.他轻轻地拍了拍我的后背。She tapped the table with her fingers.她用手指敲打桌子。He tapped his forehead knowingly.他会心地拍了拍前额。

knock v. 敲击，敲打

〔辨析〕指用手掌、拳头或硬物用力敲打，以引起他人的注意或重视。

〔例证〕Please knock before you enter.进来前请先敲门。He wondered whether it would be proper to knock at her door.他不知道敲她的门是否恰当。I heard him knock his pipe out on the mantelpiece.我听见他在壁炉架上磕打烟斗。

rap v. 轻敲，拍击

〔辨析〕指用指关节、笔等快速轻敲或急拍，意在引人注意或表示某种情感。

〔例证〕The chairman rapped on the table for order.主席敲桌子要求听众安静。Angrily, she rapped on his window.她生气地敲他的窗户。He would rap his fingers on the desk when he had difficulty working out a math problem.他做数学题遇到困难时总是要敲书桌。

短语动词

knock aboutknock around

1. 接连打（或踢）2. 闲逛；漫游；漂泊；游荡3. 在场；存在4. 常与某人交往（或作伴）

knock back

1. 快速喝掉，豪饮（尤指酒）2. 阻止，妨碍

knock down

1. （被车）撞倒2. 推倒，拆掉，拆毁（建筑物）3. 降（价）；***（价）；减（量）

knock off

1. 使减少；使降低2. 从（名单或文件中）删除3. 下班；收工

knock out

1. 使不省人事；使入睡2. 击败；淘汰3. 摧毁；使瘫痪

knock over

1. （被车）撞倒

短语用例

knock around…

漫游to travel and live in various places

（表示某物在一个地方但不知确切位置）used to say that sth is in a place but you do not know exactly where

He knocked three times and waited.他敲了三下门就等着。

Somebody was knocking on the window.有人在敲窗户。

knock around with ***/together

常与某人交往（或做伴）to spend a lot of time with ***/together

Be careful you don't knock your head on this low beam.小心，别把头撞在这矮梁上。

Her hand knocked against the glass.她的手碰了玻璃杯。

knock ***/sth around

接连敲击某人（物）；粗暴对待to hit ***/sth repeatedly; to treat ***/sth roughly

He'd knocked over a glass of water.他打翻了一杯水。

I knocked the nail into the wall.我把钉子钉进墙里。

They had to knock the door down to get in.他们不得不破门而入。

The boys were knocking (= kicking) a ball around in the back yard.男孩们在后院踢球玩儿。

The criticism had knocked (= damaged) her self-esteem.这一批评伤了她的自尊心。

knock *** back

阻碍，妨碍（某人取得成果或进步，尤指以回绝方式）to prevent *** from achieving sth or making progress, especially by rejecting them or sth that they suggest or ask

使某人大吃一惊（或感到惊讶）to surprise or shock ***

My heart was knocking wildly.我的心怦怦直跳。

knock *** back sth

用掉某人一大笔钱to cost *** a lot of money

knock sth↔back

很快喝掉（酒等）to drink sth quickly, especially an alcoholic drink

The newspapers are always knocking the England team.报纸总是攻击英格兰队。

‘Plastics?’ ‘ Don't knock it ─there's a great future in plastics.’“塑料？”“别说它不好——塑料的前景大着呢。”

knock *** down (from sth) (to sth)

说服…降价；使降价；***价to persuade *** to reduce the price of sth

knock ***↔down/over

打倒（或击倒、撞倒）某人to hit *** and make them fall to the ground

knock sth↔down

推倒（或拆掉、拆毁）建筑物to destroy a building by breaking its walls

knock sth↔down (from sth) (to sth)

减价；降价to reduce the price of sth

knock off

knock off sth

停止某事；中断某事；（尤指）下班，收工to stop doing sth, especially work

knock ***↔off

***死（或干掉、除掉、结果）某人to murder ***

knock sth↔off

迅速而轻松地完成to complete sth quickly and without much effort

偷东西；抢劫某处to steal sth; to steal from a place

knock sth↔off

knock sth↔off sth

降价；减价；使贬值to reduce the price or value of sth

knock ***↔out

使入睡；使昏睡；使不省人事to make *** fall asleep or become unconscious

击败对手to hit an opponent so that they cannot get up within a limited time and therefore lose the fight

使大吃一惊；使倾倒；给某人留下深刻印象to surprise and impress *** very much

knock ***/yourself out

使筋疲力尽；使疲惫不堪to make ***/yourself very tired

knock ***↔out (of sth)

把…淘汰出（比赛）to defeat *** so that they cannot continue competing

knock sth↔out

完成；快速而轻易地做成to produce sth, especially quickly and easily

knock ***↔over

knock ***↔over

knock sth↔together

草草做成；匆匆拼凑成to make or complete sth quickly and often not very well

把两间屋（或两座建筑物）打通to make two rooms or buildings into one by removing the wall between them

knock up

赛前练习to practise for a short time before the start of a game

knock ***↔up

敲门唤醒某人to wake *** by knocking on their door

使怀孕to make a woman pregnant

knock sth↔up

迅速准备好；快速并轻易做成to prepare or make sth quickly and without much effort

习惯用语

v.

I'll knock your block/head off!

（威胁要***）我非揍你不可，我要揍扁你used to threaten *** that you will hit them

knock *** dead

使某人倾倒to impress *** very much

You look fabulous─you'll knock 'em dead tonight.你看上去漂亮极了——今晚肯定把他们迷倒。

knock ***/sth into a cocked hat

远远胜过某人（或事物）；大大超过；使相形见绌to be very much better than ***/sth

knock it off!

别吵了；别烦人了used to tell *** to stop making a noise, annoying you, etc.

knock *** off their pedestal/perch

使某人丧失名位to make *** lose their position as ***/sth successful or admired

knock sth on the head

阻止某事发生；停止做某事to stop sth from happening; to stop doing sth

The recession knocked on the head any idea of expanding the company.经济衰退使扩展公司的任何想法都化为泡影。

knock on wood

knock on wood

knock *** sideways

使某人惊讶得不知所措（或目瞪口呆）to surprise or shock *** so much that they are unable to react immediately

knock spots off ***/sth

远远胜过某人（事物）；大大超过；使相形见绌to be very much better than ***/sth

knock the stuffing out of ***

使某人丧失信心（或委靡不振）to make *** lose their confidence and enthusiasm

you could have knocked me down with a feather

（表示惊奇）used to express surprise

beat/knock the (living) daylights out of ***

把某人狠揍一顿to hit *** very hard several times and hurt them very much

bang/knock your/their heads together

强行制止人们争吵并使之恢复理智to force people to stop arguing and behave in a sensible way

beat/kick (the) hell out of ***/sth

knock hell out of ***/sth

猛击；狠打to hit ***/sth very hard

He was a dirty player and loved to kick hell out of the opposition.他是个不讲体育道德的球员，喜欢猛力冲撞对方。

knock/talk some sense into ***

开导某人别干傻事；强使某人理智行事to try and persuade *** to stop behaving in a stupid way, sometimes using rough or violent methods

get/knock/lick *** into shape

把某人培养成材（或训练出来）to train *** so that they do a particular job, task, etc. well

hit/knock *** for six

极大地影响某人to affect *** very deeply

blow/knock ***'s socks off

使某人万分惊愕；给某人留下深刻印象to surprise or impress *** very much

n.

take a (hard, nasty, etc.) knock

遭受（重大等）挫折；受到（沉重等）打击；受到（严重等）破坏to have an experience that makes ***/sth less confident or successful; to be damaged

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