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