If we only allow five minutes for catching our train, we'll be cutting it too fine.
假如我们只留五分钟的时间赶火车, 那麽我们卡的时间就太紧了.
You are in danger of catching a cold if you don't take any medicine.
如果你不吃药的话, 就有感冒的危险。
I was instrumental in catching the criminal.
我曾经协助捉拿这罪犯。