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初中新概念英语第二册:第6课动词knock常用短语

来源:榕意旅游网
【 导语】新概念英语第⼆册第6课中开始讲到短语动词的⽤法,也就是我们平常所说的动词短语的⽤法。整个第⼆册中有关动词短语的⽤法,⼤多是指同⼀个动词跟不同的介词或副词搭配使⽤后,意义发⽣变化。这类动词短语是各类英语考试中有关词汇测试常考的内容,平常需要注意积累区分。⽆忧考为您提供以下相关内容:

  【篇⼀】

  knock at

  该短语表⽰“敲(门、窗等)”。有时,knock也会⽤作名词,表⽰“敲击”,后⾯也是紧跟介词at。如:

  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 was preparing for bed when I heard a knock at the door. (我正准备睡觉时听到有⼈敲门。)

【篇⼆】

  knock...off

  该短语表⽰“把...撞倒”,off后⾯⼀般接地点。但knock后⾯也可以接⽐例或数字,表⽰“减少”,此时的⽐例或数字也可以放到off后⾯。如:

  I knocked the vase off the table and broke it. (我把花瓶从桌⼦上碰掉下来,摔碎了。)

  The shop assistant knocked 10% off the bill. (店员给了10%的优惠)

  It cost me 10 but I'll knock off 20% as it's no longer new. (那是我花10英镑买的,因为已经旧了,我会减价20%。)

【篇三】

  knock off

  与knock...off不同的是,knock off中间⼀般不插⼊其他成分,表⽰“做完某事;下班”。如:

  We knock off at 12:30 for lunch. (我们⼗⼆点半时停下⼯作去吃饭。)

  I can knock off a poem in five minutes. (我能在五分钟内写⼀⾸诗。)

【篇四】

  knock over

  该短语表⽰“撞倒;消除”,需要注意的是:宾语是名词的话,可以放在knock和over中间,也可以放到over后⾯;宾语是代词的话,则只能放在中间。如:

  Don't knock over the bowl of water. (别把那碗⽔打翻了。)

  =Don't knock it over.

  The students knocked over every difficulty. (学⽣们克服了每⼀个困难。)

  =The students knocked it over.

【篇五】

  knock out

  该短语表⽰“击倒;打昏”。需要注意的是:宾语是名词的话,可以放在knock和over中间,也可以放到over后⾯;宾语是代词的话,则只能放在中间。如:

  The enemy charged up the mountain, attempting to knock out our forces. (敌⼈向⼭上冲锋,企图把我们的兵⼒摧毁掉。)

  In the fight, the thief knocked the policeman out. (在搏⽃中,⼩偷把警察打昏了。)

  除了以上教材中出现的短语以外,下⾯这些有关knock的短语也较为常⽤:

【篇六】

  knock down

  该短语表⽰“击倒;撞倒;拆除”。如:

  The policemen had to knock down the door to get in. (警察为了进去得撞倒门。)

  Knock down the machine before shipping. (在装运前把机器拆卸开来。)

【篇七】

  knock up

  该短语表⽰“匆忙做完;使...精疲⼒尽”。如:

  Can you knock up a meal for us now? (你能为我们赶快做顿饭吗?)

  I was completely knocked up from overwork. (由于⼯作过度,我完全累垮了。)

【篇⼋】

  knock it off

  该短语经常⽤作提⽰语,表⽰“别再讲下去”。如:

  Knock it off, will you? I can't make a phone call with all this noise going on. (不要讲话了,好吗?这样闹我简直⽆法打电话了。)

  Will you kids knock it off? I can't study. (够了,⼩⿁们,停下来。我⽆法专⼼念书。)

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