go/be hand in hand

一齐

A:He is very humorous,which goes hand in hand with the inheritance of his mother.

A:他这个人很幽默，这和他母亲的遗传有关。

B:I don't think so. His mother is very dull whenever I meet her in the street.

B：我可不这么认为，每次在街上遇到他母亲，都觉得他母亲是个沉闷的人。

A:You don't understand her at all. She always plays jokes with us whenever we come to her house.

A：你根本不了解她，每次到他家他母亲都和我们开玩笑。

B:It is unbelievable.

B：难以置信。