A：I don't know how John can put up with his son, who fools around without working.

我不知道约翰为什么能容忍他的儿子整天不工作，瞎混日子。

B：He's out of John's hands. Nothing he can do about such a black sheep.

他不服约翰的管教，对这样一个败家子，约翰无可奈何。

A：If I were him, I would give him a good talking-to. I would insist on his stopping fooling around like that.

如果我是约翰，我会教训他一顿，坚持不能让他再这么瞎混了。

注释:

1.put up with：容忍，忍受

2.fool around：闲逛;荒废时间

3.out of one's hand：无能为力，无可奈何

4.give sb a good talking-to责备，教训某人一顿

5.insist on坚持