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