大家好，霖霖来为大家解答以上问题。英语四级考试词组，2017四级英语常考词组大全很多人还不知道，现在让我们一起来看看吧！

　　1.keep down 控制,压低(声音)

　　He couldn’t keep down his anger .; Chemicals are used for keeping insects down.

　　2.keep from 使..不进入

　　Can’t you keep your dog from coming into my garden?

　　3. keep in

　　1).继续烧着,不熄;Shall we deep the fire in or let it out.

　　2).控制 He couldn’t keep in his indignation.

　　4. keep in with 与某人保持友谊

　　You must keep in with your customers, retain their goodwill.

　　5.keep off 不接近,避开

　　The parents are advised to keep children off the street.

　　Keep off the grass!

　　6.keep on (doing sth) 继续,反复地做

　　Prices keep on increasing.

　　Susan got a bad cold and kept on caughing all night.

　　7.keep out of 躲开,置身...之外 Danger! Keep out!

　　Keep out of their quarrels,Don’t get involved in them.

　　8.keep to 遵守,信守,坚持

　　1).Traffic in Britain keeps to the left.

　　2).keep to the subject /point at issue: 把握讨论的主题/要点.

　　3).He kept the news to himself.

　　9.keep up

　　1).继续,坚持, Will the fine weather keep up?

　　2).维护How do you keep up this large house?

　　3).使迟睡.It’s wrong to keep the children up so late, They should go to bed.

　　10.keep up with

　　1).跟上,不落后;I had to run to keep up (with the girls). Dove couldn’t keep up with the rest of the class.

　　2).保持联系.try to keep up with old friends far away.

　　【相关阅读】

　　大学英语四级考试词汇前后缀练习

　　im-表示“往里”

　　impact n./v.影响;冲撞

　　[记]硬派(im-p)的行动(act)，就是去冲撞一个东西(impact an object),去给它造成强烈的影响(impacton)

　　[搭]have impact on/impact on 对……造成(强烈)影响(既可以做名词又可以做动词，搭配不同)

　　[近]have effect on 对……有效果(较小的影响，词长得就很小) have influence on 影响(长久、深远的影响，词长得比较长)

　　[例]The continual war in the Middle East area significantly impacts on the international oil price.中东地区不断的战火严重影响了国际油价。

　　improve v.改善;增进;提高

　　[记]im-进去;prova证明;进去证明你是无辜的'，就改善了你们的关系，增进了你们的感情。

　　[近]enhance v.提高;改善

　　[变]improvement n.提高;改善

　　[例]There is always room for improvement on our minds and personalities.我们的思维和性格总有改进的空间。

　　pulse n.脉搏

　　[记]音似“跑死(pul-se)”。跑死了，脉搏跳个不停。

本文到此结束，希望对大家有所帮助。