There’s a catch to this however.

然而对这种情况有一种追赶。

There must be a catch to that last question.

最后那个问题里面一定有圈套.

Catching any chance you can catch to learn english.

把握每次你能学英语的机会.

There is a catch to this all however, and it is known as karma .

然而对于这一切有一个难题，它就是所知的业力。

Men in the stern of each boat hold the ends of the net, hoping for a catch to sell in a nearby village;

坐在船尾的渔民抓住网尾，他们的同伴则划船，希望能抓到鱼到附近的村寨出售；