A: I have puzzled my brain about how to teach the children.

关于如何教育孩子真让我大伤脑经。

B: What is your problem?

出什么问题了?

A: My children can never be obedient even if I criticized them severely.

即使我严厉的批评他们，他们也不听话。

B: You need not always do that. Why don’t you pat them on the back occasionally?

你不必一直那样做，你为什么不偶尔也鼓励赞美他们一番呢?