| 释义 |
knock AHD[nŏk] D.J.[nɒk]K.K.[nɑk]v.（动词）knocked, knock.ing, knocks v.tr.（及物动词）- To strike with a hard blow.猛烈击打
- To affect in a specified way by striking hard:击打：通过重击产生某种特定的效果：knocked the attacker senseless.把袭击者打昏
- To cause to collide:使碰撞：I knocked my head on a low beam.我的头撞到了一根低梁上
- To produce by hitting or striking:敲出：通过击或打产生：knocked a hole in the wall.在墙上敲出一个洞
- To instill with or as if with blows:灌输：通过击打往里面注入，或用类似击打的方式注入：We tried to knock some sense into his head.我们试着给他灌输一点常识
- Slang To find fault with; criticize:【俚语】 找错；批评：Don't knock the food; it's free.别挑剔食物了；它是免费的
v.intr.（不及物动词）- To strike a sharp, audible blow or series of blows, as on a door.猛烈敲击：急速而又能被人听见的一次或多次敲击，如敲门
- To collide with something:与某物相撞：knocked into the table.撞到了桌子
- To make a pounding or clanking noise:发出爆震或相撞的声音：The car engine is knocking.汽车发动机发出爆震声
n.（名词）- An instance of striking or colliding; a blow.敲击，碰撞：击打或相撞的事例；敲击
- The sound of a sharp tap on a hard surface; a rap.敲击声：在坚硬的表面上的急促敲击的声音；敲击声
- A pounding or clanking noise made by an engine, often as a result of faulty fuel combustion. Also called ping 爆震声：发动机发出的震动或撞击的声音，通常是由于燃料燃烧不足引起 也作 ping
- Slang A cutting, often petty criticism.【俚语】 尖刻而琐碎的批评
knock around 或 knock about - To be rough or brutal with; maltreat.虐待：粗暴或残忍地对待；虐待
- To wander from place to place:游历：从一个地方漫游到另一个地方：knocking around Europe.在欧洲游历
- Informal To discuss or consider:【非正式用语】 讨论，思考：met to knock around some ideas.聚在一起讨论一些问题
knock back 【非正式用语】 - To gulp (an alcoholic drink).喝下（酒精饮料）
knock down - To bring to the ground with a blow; topple.击倒在地：用一击打倒在地；使倒下
- To disassemble into parts, as for storage or shipping.拆卸：为了储藏或运输而拆卸成几部份
- To declare sold at an auction, as by striking a blow with a gavel.敲槌宣布卖出：在拍卖会上宣布货物卖出，比如用木槌敲击来宣布
- Informal To reduce, as in price:【非正式用语】 削减价格等：knocked all the radios down 20 percent.把所有的收音机都降价百分之二十
- Slang To receive as wages; earn:【俚语】 收到（工资）；赚：knocks down $50 an hour.每小时收入50美元
knock off - Informal 【非正式用语】
- To take a break or rest from; stop:暂停或休息；停止：knocked off work at noon.中午暂停工作
- To cease work:停止工作：It's after five; let's knock off.已经五点多了；下班吧
- Informal To complete, accomplish, or dispose of hastily or easily; finish:【非正式用语】 仓促写出，即席作成：仓促或轻易地完成、做完或处理；结束：That author knocks off a book a year.那位作者在一年内仓促完成了这本书
- Informal To get rid of; eliminate:【非正式用语】 除掉；消除：knocked off 12 pounds in a month.一个月内体重减了12磅
- Slang To kill or overcome.【俚语】 杀，战胜
- Slang To hold up or rob:【俚语】 持枪抢劫，拦路抢劫：knocked off a bank.抢劫银行
- Informal To copy or imitate, especially without permission:【非正式用语】 翻印：复印或模仿，尤指在未经允许的情况下：knocking off someone else's ideas.抄袭别人的构想
knock out - To render unconscious.使昏迷不醒
- Sports To defeat (a boxing opponent) by a knockout.【体育运动】 击倒对手：通过击到对方而击败（拳击比赛中的对手）
- To render useless or inoperative:使无用，使失去效能：The storm knocked out the telephones.风暴使电话中断
- Informal To exert or exhaust (oneself or another) to the utmost:【非正式用语】 尽心尽力：最大程度地努力或用尽（自己或别人的）力量：knocked herself out to be ready on time.为了及时作好准备她竭尽全力
knock together - To make or assemble quickly or carelessly.仓促完成：很快或粗粗地制作或拼凑
knock up - Slang To make pregnant.【俚语】 使怀孕
- Chiefly British To wake up or summon, as by knocking at the door.【多用于英国】 敲门叫醒或召唤
- Chiefly British To wear out; exhaust.【多用于英国】 用尽力气；精疲力竭
have it knocked【俚语】 - To be certain of success:确信能成功："He knew he had it knocked after he saw a rough cut ofChinatown ” (Time)“他在看了唐人街 的粗制烟叶后，他知道自己已经成功了” (时代)
knock cold - To render unconscious; knock out.使昏迷；击昏
knock dead - To kill with a blow.一拳打死
- Slang To affect strongly and positively:【俚语】 强烈而肯定地影响：an amazing performance that knocked the audience dead.一场使观众为之倾倒的精彩演出
knock for a loop【俚语】 - To surprise tremendously; astonish.使非常吃惊；使震惊
knock it off【俚语】 - Quit it. Used in the imperative:别吵了。用于祈使句：Knock it off! I'm trying to sleep.别闹了！我要睡觉了
knock out of the box【棒球】 - To force the removal of (an opposing pitcher) by heavy hitting.打掉投手：由于一再击中球而使（对方投球手）出局
knock the socks off 或 knock someone's socks off 【俚语】 - To overwhelm or amaze.使不知所措，使吃惊
- Middle English knokken 中古英语 knokken
- from Old English cnocian 源自 古英语 cnocian
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