fall behind片语动词

片语动词

1. 1

   落后、跟不上

   She started to fall behind the other runners after ten kilometers.

   跑了十公里之后，她开始落在其他跑者后面。

2. 2

   落后、进度落后

   He fell behind in math after missing two weeks of school.

   缺课两周后，他的数学进度就落后了。

3. 3

   拖欠、欠缴

   They fell behind on their rent after he lost his job.

   他失业后，他们就开始拖欠房租。