I keep down 控制,壓低(聲音) He couldn't keep down his anger .; Chemicals are used for keeping insects down.

　　E keep from 使..不進入 Can't you keep your dog from coming into my garden?

　　A keep in 1.繼續(xù)燒著,不熄;2.控制 1Shall we deep the fire in or let it out. 2.He couldn't keep in his indignation.

　　A keep in with 與某人保持友誼 You must keep in with your customers, retain their goodwill.

　　I keep off 不接近,避開 The parents are advised to keep children off the street.

　　Keep off the grass!

　　E keep on (doing sth) 繼續(xù),反復地做 Prices keep on increasing.

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

　　I keep out of 躲開,置身...之外 Danger! Keep out!

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

　　A keep to 遵守,信守,堅持 1.Traffic in Britain keeps to the left. 2.keep to the subject /point at issue: 把握討論的主題/要點.

　　3.He kept the news to himself.

　　I keep up 1.繼續(xù),堅持, 2.維護

　　3.4.A使遲睡. 1.Will the fine weather keep up?2.How do you keep up this large house?

　　3.It's wrong to keep the children up so late, They should go to bed.

　　4.I don't want to deep you up; you look sleepy and ready for bed.

　　I keep up with 1.跟上,不落后;

　　2.保持聯(lián)系.

　　1.I had to run to keep up (with the girls). Dove couldn't keep up with the rest of the class.

　　2.try to keep up with old friends far away.

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