| 释义 |
一下一下[yī xià]1.■ （表示做一次动作或试着做） one time; once:看一下have a look;我来试一下。Let me have a try.
常用词组1.■ （短暂的时间） in a short while; all at once; all of a sudden:需要睡一下need a little sleep;请等一下， 别挂上。Will you please hold the line a minute?天一下阴了下来。It became overcast all of a sudden. |