trick可数吗

trick例句

This is the trick of the trade.

这就是我们这个行业的.诀窍了。

I have a trick to do this thing.

我有一个窍门做这件事情。

But if someone pulls a dirty trick on you, should you do the same thing to him?

但如果有人拉扯一个肮脏把戏于你，你应该向他做同样的事情？