2016年考试高频词汇-fall behind用法详解

　　fall behind

　　落后; 下降; 退后

　　He fell behind when we were climbing the mountain.

　　我们爬山时, 他掉队了。

　　Production has fallen behind in the last few months.

　　最近几个月生产下降了。

　　Don't fall behind now, just when you're doing so well.

　　你干得很出色, 这个时候可别后退。

　　Several of the runners fell behind in the race.

　　有几个赛跑者在比赛中落在后面了。

　　逾期(付款等)

　　If your payments of rent fall behind, you will be asked to leave.

　　如果你不如期交房租, 你就会被撵走。

　　Don't fall behind with your gas bill.

　　不要拖欠煤气费。

　　He has fallen behind with his correspondences.

　　他有一些信件没有及时回复。

　　处于较低水平

　　The work of this class has been falling behind recently.

　　近来这个班的成绩一直处于较低水平。