A: My son closed his ear to what I said. I don’t know what I should do.

我儿子听不进去我说的话，我不知道该怎么办。

B: You can twist his arm in order to have a control of him.

你改对他采取强制措施来管教他。

A: I cannot have the heart to do that.

我不忍心那样做。