keep off keep out keep up

问题描述:

keep off keep out keep up

让开
不得入内
维持, 继续, 保持状态, 保持士气

1keep off
v.
让开, 不接近
2keep out
v.
使在外
3keep up
v.
不低落, 维持, 继续

keep off-让开 不接近
keep out-使在外
keep up-维持, 继续, 保持状态, 保持士气

keep off
v.让开, 不接近
keep out
v.使在外
keep up
v.不低落, 维持, 继续

keep off-让开
keep out-不得入内
keep up-维持, 继续, 保持状态, 保持士气