- [intransitive]
to hit a door, etc. in order to attract attention 敲；击 He knocked three times and waited. 他敲了三下门就等着。 🔊🔊 - knock at/on something
I knocked on the door and went straight in. 我敲门，径直走进去。 Somebody was knocking on the window. 有人在敲窗户。 🔊🔊
Extra ExamplesDobson walked straight into her office without knocking. 多布森没敲门就径直走进了她的办公室。 Someone knocked loudly at the door. 有人大声敲门。 She knocked timidly on the study door and entered. 她怯怯地敲了敲书房门，然后进去了。
Oxford Collocations Dictionaryadverb- loudly
- gently
- lightly
- …
- at
- on
- without knocking
- [transitive, intransitive]
to hit something hard, often by accident （常为无意地）碰，撞 - knock something against/on something
Be careful you don't knock your head on this low beam. 小心，别把头撞在这矮梁上。 🔊🔊 - knock against/on something
Her hand knocked against the glass. 她的手碰了玻璃杯。 🔊🔊 - knock something
She dropped the pile of books when he accidentally knocked her shoulder. 当他不小心敲了敲她的肩膀时，她把书堆掉了。
Extra ExamplesTopics Illnessb1The door's very low—mind you don't knock your head! 门很低，请注意不要撞到头！ The stick knocked against the wall. 棍子击打到了墙上。
Oxford Collocations Dictionaryadverb- accidentally
- against
- off
- on
- …
- knock somebody/something flying
- knock somebody off balance
- knock somebody off their feet
- …
- knock something against/on something
- [transitive]
to hit something so that it moves or breaks 打掉；敲动；打破 - knock something + adv./prep.
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。 🔊🔊 He had knocked one of the pictures off the wall. 他打落了墙上的一幅画。 The boys were knocking (= kicking) a ball around in the back yard. 男孩们在后院踢球玩儿。 🔊🔊 - knock something (figurative)
The criticism had knocked (= damaged) her self-esteem. 这一批评伤了她的自尊心。 🔊🔊
Synonyms hithit- knock
- bang
- strike
- bump
- bash
- hit to come against somebody/something with force, especially causing damage or injury:
The boy was hit by a speeding car. 男孩被超速行驶的汽车撞倒了。
- knock to hit something so that it moves or breaks; to put somebody/something into a particular state or position by hitting them/it:
Someone had knocked a hole in the wall. 有人在墙上打了个洞。
- bang to hit something in a way that makes a loud noise:
The baby was banging the table with his spoon. 婴孩用调羹敲打着桌子。
- strike (formal
) to hit somebody/something hard: 指猛烈地撞、碰、撞击、碰撞 ：The ship struck a rock. 船触礁了。
- bump to hit somebody/something by accident:
In the darkness I bumped into a chair. 我在黑暗中撞上了一把椅子。
- bash (informal
) to hit against something very hard: 指猛击、猛撞 ：I braked too late, bashing into the car in front. 我刹车太晚，撞上了前面的车。
- to hit/knock/bang/bump/bash against somebody/something
- to knock/bang/bump/bash into somebody/something
- to hit/strike the ground/floor/wall
Extra ExamplesI accidentally knocked over his drink. 我不小心打翻了他的饮料。 Mind you don't knock that glass over. 当心不要打翻那个玻璃杯。 I accidentally knocked the vase off the table. 我无意中碰落了桌上的花瓶。
Oxford Collocations Dictionaryadverb- accidentally
- against
- off
- on
- …
- knock somebody/something flying
- knock somebody off balance
- knock somebody off their feet
- …
- knock something + adv./prep.
- [transitive]
to put somebody/something into a particular state by hitting them/it 把…撞击成（某种状态） - knock somebody/something + adj.
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。 🔊🔊 - knock somebody/something doing something
She knocked my drink flying. 她把我的饮料打翻了。 🔊🔊 - knock somebody/something + adv./prep.
The two rooms had been knocked into one (= the wall between them had been knocked down). 那两个房间打通了，成了一个房间。 🔊🔊
Synonyms hithit- knock
- bang
- strike
- bump
- bash
- hit to come against somebody/something with force, especially causing damage or injury:
The boy was hit by a speeding car. 男孩被超速行驶的汽车撞倒了。
- knock to hit something so that it moves or breaks; to put somebody/something into a particular state or position by hitting them/it:
Someone had knocked a hole in the wall. 有人在墙上打了个洞。
- bang to hit something in a way that makes a loud noise:
The baby was banging the table with his spoon. 婴孩用调羹敲打着桌子。
- strike (formal
) to hit somebody/something hard: 指猛烈地撞、碰、撞击、碰撞 ：The ship struck a rock. 船触礁了。
- bump to hit somebody/something by accident:
In the darkness I bumped into a chair. 我在黑暗中撞上了一把椅子。
- bash (informal
) to hit against something very hard: 指猛击、猛撞 ：I braked too late, bashing into the car in front. 我刹车太晚，撞上了前面的车。
- to hit/knock/bang/bump/bash against somebody/something
- to knock/bang/bump/bash into somebody/something
- to hit/strike the ground/floor/wall
Extra ExamplesThe blow knocked him unconscious. 这一击将他打昏了。 The explosion knocked him off his feet. 爆炸将他掀翻在地。 He was knocked flying as two policemen came crashing through the door. 两名警察破门而入时他被撞飞了。
Oxford Collocations Dictionaryadverb- accidentally
- against
- off
- on
- …
- knock somebody/something flying
- knock somebody off balance
- knock somebody off their feet
- …
- knock somebody/something + adj.
- [transitive] knock something + adv./prep.
to make a hole in something by hitting it hard 打，凿（洞） - [intransitive]
if your heart knocks, it beats hard; if your knees knock, they shake, for example from fear （心）怦怦跳；（膝盖）打哆嗦 - [intransitive]
to make a regular sound of metal hitting metal, especially because there is something wrong （尤指因故障）发碰撞声，嘭嘭作响 - [transitive] knock somebody/something (informal)
to criticize somebody/something, especially when it happens unfairly （不公平地）批评；贬责；挑剔；非难 The newspapers are always knocking the England team. 报纸总是攻击英格兰队。 🔊🔊 It may sound pretty childish, but don't knock it until you've tried it. 听起来可能很幼稚，但请先尝试一下再敲。
More Like This Silent lettersSilent letters
at door/window门窗
hit击
of heart/knees心；膝盖
of engine/pipes发动机；管子
criticize批评
Word OriginOld English cnocian, of imitative origin.
Idioms
bang/knock your/their heads together
- (informal)
to force people to stop arguing and behave in a sensible way 强行制止人们争吵并使之恢复理智
beat/knock the (living) daylights out of somebody
- (informal)
to hit somebody very hard several times and hurt them very much 狠揍某人 Get out or I’ll beat the living daylights out of you! 滚开，否则我将击败您的生活！
beat/kick (the) hell out of somebody/something | knock hell out of somebody/something
blow/knock somebody’s socks off
- (informal)
to surprise or impress somebody very much 使某人万分惊愕；给某人留下深刻印象
get/knock/lick somebody into shape
to train somebody so that they do a particular job, task, etc. well 把某人培养成材（或训练出来） It took him just two weeks to knock the new recruits into shape. 他只花了两个星期的时间就使新兵入伍。 Leave the boy with me—I'll soon knock him into shape! 把这男孩交给我，我会很快把他调教好的！
get/knock/lick something into shape
hit/knock somebody for six
- (British English)
to affect somebody very deeply 极大地影响某人 The business over the lawsuit had really knocked her for six. 诉讼生意真的把她打倒了六岁。
I’ll knock your block/head off!
- (informal)
used to threaten somebody that you will hit them （威胁要打人）我非揍你不可，我要揍扁你
knock somebody dead
knock somebody/something into a cocked hat
- (British English, old-fashioned)
to be very much better than somebody/something 远远胜过某人（或事物）；大大超过；使相形见绌 She knocks the rest of the cast into a cocked hat. 她把剩下的演员敲成一顶有帽的帽子。
knock it off!
- (informal)
used to tell somebody to stop making a noise, annoying you, etc. 别吵了；别烦人了 Knock it off, kids—I’m trying to work. 孩子们，快点敲门吧，我正在努力工作。
knock somebody off their pedestal/perch
to make somebody lose their position as somebody/something successful or admired 使某人丧失名位 A lot of teams are looking to knock us off our perch. 许多团队正在寻求使我们脱离困境。
knock something on the head
knock on wood (North American English)
(British English touch wood)
- (saying)
used when talking about your previous good luck or your hopes for the future, to avoid bringing bad luck （表示希望继续走好运） I've been driving for over 20 years and never had an accident—knock on wood! 我已经开车20多年了，从未发生过意外-敲木头！
knock somebody sideways
- (informal)
to surprise or shock somebody so much that they are unable to react immediately 使某人惊讶得不知所措（或目瞪口呆）
knock/talk some sense into somebody
to try and persuade somebody to stop behaving in a stupid way, sometimes using rough or violent methods 开导某人别干傻事；强使某人理智行事 Try and talk some sense into her before she makes the wrong decision. 尽力说服她，别让她作出错误的决策。 Where would I be without you to knock some sense into my head? 没有你，我怎么会在我脑海中震撼？
knock spots off somebody/something
- (British English, informal)
to be very much better than somebody/something 远远胜过某人（或事物）；大大超过；使相形见绌 She knocks spots off all the other candidates. 她把所有其他候选人都甩掉了。
knock the stuffing out of somebody
- (informal)
to make somebody lose their confidence and enthusiasm 使某人丧失信心（或委靡不振）
you could have knocked me down with a feather
- (informal)
used to express surprise （表示惊奇）