1.catch in 處于困境
But I have a train to catch in an hour. I'll give a lecture this evening and tomorrow.
不過我要趕火車,不到一小時了。今晚和明天都有課。
There is a catch in his question.
他的問話中有圈套。
2.as though 好像,仿佛
But the police never acted as though he was.
但警察的行為就好像他是非法的一樣。
As though each of us were its first kill.
好像對于我們每個人它都是初試身手。