Sorry, I didn't quite catch what you said.
对不起，我没听清楚你的话。
We caught the bus in the end but it was close.
虽然我们最后总算赶上了那趟公共汽车，但也是够悬的。
I had to run like mad to catch the bus.
为了赶上公共汽车，我不得不拼命跑。
He invented a new game, but it never really caught on.
他发明了一种新的游戏，但从未真正流行起来。
The illness can be treated provided it's caught early enough.
此病若及早发现是可医治的。