| 单词 | knock |
| 释义 | knock noun¹ 1firm sharp sound敲击声adjective | verb + knock | phrases adjective➤loud, sharp响亮的／刺耳的敲击声➤gentle, light, quiet, soft轻柔的／轻微的／轻轻的／柔和的敲击声▸➤timid胆怯的敲击声➤sudden突然的敲击声verb + knock➤hear听到敲击声▸➤answer回应敲击声◆she hurried to answer the knock at the door.她听到敲门声急忙去开门。phrases➤a knock at the door, a knock on the door敲门声◆there was a loud knock at the door.有人大声敲门。knock noun² 2sharp blow from sth重击adjective | verb + knock | preposition adjective➤hard, nasty (especially bre) 沉重的打击◆the hard knocks of life (figurative) 生活的沉重打击➤minor (especially bre) 小打击verb + knock➤get, have, take受到击打；遭到碰撞；遭受打击◆you've had a nasty knock on the head.你的头部遭受过重击。◆their pride took quite a knock when they lost 5-0. (figurative) 他们以 0 比 5 落败，自尊受到了沉重打击。➤give sb/sth给⋯一击preposition➤knock on在⋯上的一击knock verb¹ 1hit/bump打；撞击adverb | preposition | phrases adverb➤accidentally意外碰撞◆i accidentally knocked the vase over.我不小心把花瓶碰倒了。preposition➤against撞击⋯◆the stick knocked against the wall.棍子击打到了墙上。➤off从⋯打落◆he had knocked one of the pictures off the wall.他打落了墙上的一幅画。➤on撞在⋯上◆i knocked my head on one of the beams.我的头撞在了其中一根横梁上。phrases➤knock sb/sth flying撞飞⋯◆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。➤knock sb off balance, knock sb off their feet撞得某人失去平衡；撞倒某人◆the explosion knocked him off his feet.爆炸将他掀翻在地。➤knock sb senseless, knock sb unconscious把某人打昏◆the blow knocked him unconscious.这一击将他打昏了。➤knock sb to the ground把某人打倒在地knock verb² 2bang on a door敲门adverb | preposition | phrases adverb➤loudly大声敲门➤gently, lightly, quietly, softly轻轻敲门➤politely, timidly礼貌地／胆怯地敲门preposition➤at敲⋯◆someone knocked loudly at the door.有人大声敲门。➤on敲⋯◆she knocked timidly on the study door and entered.她怯怯地敲了敲书房门，然后进去了。phrases➤without knocking没有敲门◆dobson walked straight into her office without knocking.多布森没敲门就径直走进了她的办公室。 knock /nɒk; name nɑːk/ verb [transitive] (often used with an adverb 常与副词连用) to affect sb/sth badly 严重影响（某人／某事）◆scandals like this are knocking investor confidence. 像这样的丑闻正严重影响投资者的信心。◆a decline in sales knocked profits back 67% to €7.7 million. 销售量的下降使利润下降 67% 至 770 万欧元。 ●come knocking (informal) if sb comes knocking they speak to or visit you because they want sth 主动上门◆you can't rely on existing customers to come knocking when they need something. 你不能指望现有的顾客需要东西的时候会主动上门。●knock on/at sb's/the door ●knock on doors (informal) to talk to or visit sb because you want sth from them 敲门（有要求时才去和人说话或拜访人）◆investment bankers have been knocking on our door once a month (= wanting to invest). 投资银行家每月一次敲我们的门（想投资）。 ●knock sb/sth back (usually be knocked back) 1.to have a bad effect on sb/sth; to prevent sb/sth from achieving sth or making progress 对（某人／某事）有不良影响；阻碍，妨碍（取得成果或进步）◆the economy was knocked back by last year's recession. 经济受到去年衰退的不良影响。2. (informal) (especially bre) to reject sb/sth 拒绝（某人／某事）◆they remain optimistic, although their takeover bid has been knocked back. 尽管他们的收购被拒绝，他们依然保持乐观态度。●knock sb down (from sth) (to sth) (informal) to persuade sb to reduce the price of sth 说服某人降价；使降价；杀价◆i managed to knock him down to $400. 我终于使他将价格降到了 400 美元。 ➡ knock-down ●knock sth down (from sth) (to sth) (informal) to reduce the price of sth 降价◆they knocked down the price from €400 to €300. 他们把价格从 400 欧元降到 300 欧元。 ➡ knock-down ●knock sth from sthto cause the value of sth to fall by the amount mentioned （某物的价值）下跌◆the weakness of the currency knocked $30 million from our profits. 货币疲软使我们的利润下降了 3000 万元。●knock off ●knock off sth (informal) to stop doing sth, especially work 停止某事；中断某事；（尤指）下班，收工◆do you want to knock off early today? 你今天想早点收工吗？●knock off sth (informal) to produce a product that is a cheap copy of sb else's design, often illegally （常指非法）抄袭help a noun or phrase must follow off, but a pronoun is placed between the verb and off.名词或短语必须放在 off 之后，但代词放在动词和 off 中间。 ➡ knock-off ●knock sth off ●knock sth off sthto reduce the price, value, length, etc. of sth 降价；贬值；缩短◆they knocked off €50 because there was a scratch. 因为有擦痕，他们将价格降了 50 欧元。◆the news knocked 13% off the company's shares. 这个消息使公司股价下跌了 13%。 knock /nɒk; name nɑːk/ noun ●take a (hard, severe, etc.) knock (informal) to have an experience that makes sb/sth less confident or successful; to be harmed or damaged 遭受（重大的）挫折；受到（沉重的）打击；受到（严重的）伤害或损害◆confidence in the industry took a severe knock from the crisis. 这个行业的信心受到这次危机的沉重打击。☞ knock☞ knockknock [transitive, intransitive] to accidentally hit sth, especially a part of the body, against sth撞；碰；撞到⋯上◆he fell and knocked his head on the path.他在小路上摔了一跤，头撞到了地上。◆her hand knocked against the glass.她的手碰了玻璃杯。 ➡ see also knock → hit 1 knock [transitive] to hit sth so that it moves or breaks; to put sb/sth into a particular state or position by hitting them/it打掉；打破；把⋯撞击成（某种状态）◆someone had knocked a hole in the wall.有人在墙上凿了个洞。◆the two rooms had been knocked into one.两个房间打通了。◆they had to knock the door down to get into the apartment.他们不得已把门撞开才进了那套公寓。◆i accidentally knocked over his drink.我不小心打翻了他的饮料。◆the blow knocked him senseless (= he became unconscious).这一拳打得他不省人事。 ➡ see also knock → knock verb , knock → bang verb 2 ▸ knock noun [countable] ◆knocks and scratches will lower the value of antique furniture.磕碰和划痕会降低古董家具的价值。knock [intransitive] to hit a door, etc. firmly in order to make a noise that will attract sb's attention敲响，叩响（以引起注意）◆he knocked three times and waited.他敲了三下门，然后等着。◆somebody was knocking on the window.有人在敲窗户。 ➡ see also knock → hit 1 knocknoun [countable] ◆knocks and scratches will lower the value of antique furniture.磕碰和划痕会降低古董家具的价值。knocknoun [countable] ◆knocks and scratches will lower the value of antique furniture.磕碰和划痕会降低古董家具的价值。knock¹/nɒk ||; nɑk/verb1. [i] knock (at/on sth) to make a noise by hitting sth firmly with your hand 敲: ◇someone is knocking at the door. 有人在敲门。◇i knocked on the window but she didn't hear me. 我敲了敲窗，可是她没有听见。 2. [t] knock sth (on/against sth) to hit sb/sth hard, often by accident 敲，击，碰（往往是出于偶然的）: ◇he knocked the vase onto the floor. 花瓶给他一碰掉到地板上。◇be careful not to knock your head on the shelf when you get up. 站起来的时候，小心别把头碰到架子上。◇to knock sb unconscious 把某人打晕 3. [t] (informal 非正式) to say bad things about sb/sth; to criticize sb/sth （用言辞）攻击，批评 knock on wood→wood knock about/around(informal 非正式) to be in a place; to travel and live in various places 在某个地方；漫游；漂泊: ◇is last week's newspaper still knocking about? 上个星期的报纸是不是还在什么地方？ knock sb down to hit sb causing him/her to fall to the ground 击倒；撞倒: ◇the old lady was knocked down by a cyclist. 这个老太太被骑自行车的撞倒了。 knock sth down to destroy a building, etc 拆毁（建筑物等）: ◇they knocked down the old factory because it was unsafe. 那家旧工厂不安全，所以他们把它拆了。 knock off (sth)(spoken 口语) to stop working 停止工作: ◇what time do you knock off? 你什么时候下班？ knock sth off 1. (informal 非正式) to reduce a price by a certain amount 降价: ◇he agreed to knock £10 off the price. 他同意减价10英镑。 2. (slang 俚语) to steal sth 偷 knock sb out 1. to hit sb so that he/she becomes unconscious or cannot get up again for a while 击晕；击倒: ◇the punch on the nose knocked him out. 那一拳打在他鼻子上，把他打晕了。 2. (used about a drug, alcohol, etc) to cause sb to sleep （指毒品、酒等）使人入睡 knock sb out (of sth) to beat a person or team in a competition so that they do not play any more games in it （比赛中）淘汰某人: ◇belgium was knocked out of the european cup by france. 比利时队在欧洲杯大赛中被法国队淘汰出局。 knock sb/sth over to cause sb/sth to fall over 使某人或某物翻倒: ◇be careful not to knock over the drinks. 小心别把饮料打翻。 knock²/nɒk ||; nɑk/noun [c] a sharp hit from sth hard or the sound it makes 敲击；敲击声: ◇a nasty knock on the head 对头部狠狠的一击◇i thought i heard a knock at the door. 我好像听见有人敲门。 (figurative 比喻) ◇she has suffered some hard knocks (= bad experiences) in her life. 她一生中遇过几次重大挫折。 knocksee ⇨ criticize 4 ⇨ hit 4,8☞ knock¹☞ knock² |
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