a catch question

Be careful. There's a catch in his question.

当心, 他所提的问题里面有圈套,一不小心就会答错.

There is a catch in his question.

他的问话中有圈套.

A knot in a rope made by a half hitch with the end of the rope fastened back by seizing. There must be a catch to that last question.

反抓拉紧，活结圈套绳子一端通过拽拉系住的活结索套最后那个问题里面一定有圈套。

Be careful! There is a catch in his question.

当心, 他提的问题里面有圈套.

That question looks easy, but there's a catch in it.

那个问题看起来容易, 但这里面有蹊跷.

There must be a catch to that last question.

最后那个问题里面一定有圈套。

That's really a catch question.

那确实是一道刁钻的题目.

There is a catch to that question.

那句问话当中有诈。