gotten behind

• v. 落后(赶不上需要)

gotten behind的用法和样例：

例句

1. He got behind with his payments for the car.
   他拖欠买汽车的车款。
2. I'm getting behind (with my work).
   我(工作)落後了。
3. Without newspaper, we would get behind the times.
   要不是报纸，我们都赶不上时代了。