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| VERB |
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| /nɒk/ |
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| 1 | I/T to hit something , causing damage or harm 敲；击；撞 |
| Mike had knocked his leg against a table. 迈克的腿撞到了桌子。 |
| | 1a | T to hit something and force it somewhere 敲入；击入 | | He knocked a couple of nails into the door. 他在门上钉进了几枚钉子。 | |
| | 1b | T knock sb to/off/over/downto hit someone very hard , so that they fall or become unconscious 击倒；打晕 | | They knocked him to the ground. 他们把他击倒在地。 | | The force was powerful enough to knock him off balance. 力量大得足以使他失去平衡。 | | knock sb unconscious The driver had been knocked unconscious by the impact. 司机被冲击力震晕了。 | |
| | 1c | T to make a hole or space in something by hitting it repeatedly 钻；凿 | | knock a hole for a doorway 凿个洞作出口 | |
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| 2 | I to hit a door with your hand or a knocker so that the people inside know you are there 敲门；叩门 |
| They walked up to the door and knocked loudly. 他们走到门前大声敲门。 |
| +on/at I knocked on his door but got no reply. 我敲了他的门，但没人应答。 |
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| 3 | I if an engine or machine knocks, it makes noises that show it is not working correctly （引擎或机器因发生故障而）发出爆震声 |
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| 4 | T to criticize someone or something in a way that seems unfair 指责；找…的岔子；非难 |
| The newspapers spend too much time knocking government policy. 报界花了太多的时间来指责政府的政策。 |
| PHRASES |
| - | I’ ll knock your heads together spoken
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| used for threatening to punish two people or groups who are fighting |
| （用于吓唬正在打斗的两个人或两群人）我要教训教训你们 |
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| - | knock the breath/wind out of sb
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| to hit or throw someone , so that they cannot breathe easily |
| 打（或摔）得某人上气不接下气 |
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| - | knock ’ em dead spoken
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| used for encouraging someone to impress people |
| 露两手给他们瞧瞧 |
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| - | knock sb for six/knock sb sideways informal
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| to make someone feel very shocked or upset |
| 使某人吃惊；使某人不安 |
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| - | knock sb’ s head/block off informal
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| used for threatening to hit someone and hurt them very badly |
| 痛打某人，揍扁某人（用于恐吓） |
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| - | knock it off spoken
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| used for telling someone to stop doing something |
| 别闹了；住手 |
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| - | knock sth on the head BRITISH informal
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| 1 | to decide not to do something 决定不做某事 |
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| 2 | to prevent something from happening 阻止某事发生 |
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| 3 | to say or show that something is not true 说明（或表明）某事不真实 |
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| - | knock your socks off informal
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| to be very impressive |
| 令人难以忘怀；给人深刻印象 |
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| - | knock some sense into sb informal
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| to make someone start behaving in a more sensible way |
| 使某人理智些；让某人懂点道理 |
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| - | knock spots off BRITISH informal
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| to be much better than someone or something |
| 远远胜过；比…好得多 |
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| PHRASAL VERBS |
| - | ˌknock aˈround or ˌknock aˈbout |
| PHRASAL VB |
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| 1 | T knock sb around/about: informal to hit someone a lot 多次打（某人） | Her husband had been knocking her around. 她丈夫一直殴打她。 | |
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| 2 | I/T informal to spend time somewhere with no particular purpose 闲逛；游荡；漫游 | I knocked around the Mediterranean for almost three years after leaving school. 离开学校后，我在地中海各地游历了将近3年。 | | | 2a | I +with/togetherto spend time with someone because you are friends （和朋友）厮混 | | Who was that lad you used to knock around with? 以前经常和你混在一起的那个小伙子是谁？ | | | | 2b | I/T to be somewhere in a place , although you do not know exactly where 放置于（某处）；在（某处） | | I’ ve got a knife knocking around somewhere. 我有把刀子不知放在什么地方了。 | | |
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| 3 | T to discuss ideas in an informal way 闲谈 |
| - | ˌknock ˈback |
| PHRASAL VB INFORMAL |
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| 1 | to drink alcohol quickly 很快地喝（酒） |
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| 2 | BRITISH to cause problems or delays 导致（问题或耽搁） |
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| 3 | BRITISH to make someone lose confidence 使（某人）丧失信心 |
| - | ˌknock ˈdown |
| PHRASAL VB |
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| 1 | knock down BRITISH to hit someone with a vehicle （开车）撞倒（某人） |
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| 2 | to destroy a building or wall 拆毁，拆除（建筑物或墙） |
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| 3 | informal to reduce a price or amount 降低（价格）；减少（数量） | | 3a | knock sb downto persuade someone to reduce the price of something 劝说（某人）降价 | | I managed to knock him down to £120. 我设法让他把价格降到了120英镑。 | | |
| - | ˌknock ˈoff |
| PHRASAL VB INFORMAL |
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| 1 | T to reduce a price or an amount 降低（价格）；减少（数量） | Kelly knocked two seconds off her previous time. 凯利把她原先的时间减少了两秒。 | |
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| 2 | I/T knock of sth: to stop working 下班；停止（工作） | Do you want to knock off early tonight? 你今晚想早点下班吗？ | |
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| 3 | T to murder someone 谋杀；干掉 |
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| 4 | T BRITISH offensive to have sex with someone 与（某人）性交 |
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| 5 | T BRITISH to steal something 偷窃 |
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| 6 | T to produce something quickly and carelessly, often a copy of something else （匆促而草率地）完成 |
| - | ˌknock ˈout |
| PHRASAL VB |
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| 1 | to make someone unconscious 把…击晕；使失去知觉 |
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| 2 | to make someone leave a competition by defeating them 淘汰 |
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| 3 | to destroy something or stop it working 毁坏；使停止运转 |
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| 4 | knock sb out: informal to impress someone very much 给（某人）深刻印象 |
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| 5 | knock sb out: informal to make someone feel very shocked or upset 使（某人）震惊；使（某人）不安 |
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| 6 | informal to produce something quickly or carelessly 匆促完成；草草做出 |
| | - | knock yourself out informal
| | to do a lot of work in order to achieve something | | （为达到目标而）做大量的工作，努力奋斗 | | | | | |
| - | ˌknock ˈover |
| PHRASAL VB BRITISH |
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| | knock down 1 | Over 100 people are knocked over on Britain’ s roads every day. 在英国的公路上，每天被车撞倒的人有上百个。 | |
| - | ˌknock ˈup |
| PHRASAL VB |
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| 1 | BRITISH informal to produce something quickly and easily 匆匆制成 | It doesn’ t take long to knock up some pasta. 要赶制一些面食花不了多长时间。 | |
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| 2 | BRITISH informal to wake or call someone by knocking on their door 敲门叫醒（某人） |
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| 3 | offensive to make a woman pregnant 使（女人）怀孕 |
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