we can't catch up with
如果我们赶不上怎么办?
What if we don't make it in time?
— 爱乐之城 (2016)
那个警察害的我们赶不上车了
That police officer made us miss the train.
— 怒火青春 (1995)
我们赶不上飞行战舰的速度
We can't keep up with the flying battleship.
— 天空之城 (1986)