keep quiet保持安静

keep back 后退

keep down 控制，抑制

keep off 避开，防止

keep on 继续

keep out 遮挡

keep after 一再提醒

keep up 使不进入...

keep up with 跟上

kkep away 防范

keep a diary写日记

keep a promise信守承诺

keep a secret保密

keep an appointment守约

keep calm保持镇定

keep control维持控制

keep in touch保持联系

keep someone's place占座

keep ahead 领先

keep balance 保持平衡

keep the change不用找零

keep(on)doing sth 不断地或一直做某事

keep from sth 忍不住做某事

keep sb from doing 使某人不能做某事

keep sb done 使某人被……

keep at sth 坚持做某事

keep flat 必须平放