keep
keep down 控制,镇压
keep off 不接近,避开
keep up 保持,维持
let
let down 降低,使…失望
let off 开枪,放炮
make
make sense of 理解,了解
make up 构成,组成,虚构
pass
pass away 去世
pass off 终止,停止
pass out 赔偿,化妆
put
put across 解释清楚,说明
put aside 储存,保留
put away 收好
put forward 提出
put off 推迟