A:My son colsed his ear to what I said, I don't know what I should do.
A:我儿子听不进去我所说的话，我真不知道该怎么办。

B:You can twist his arm in order to have a control of him.
B:你该对他采取强制手段来管教他。

A:I can't have the heart to do that.
A:我实在不忍心这样做。