patch up: 修补、平息
I think you ought to patch up your differences.
我认为你应该将你们的异议和解。
He should try to patch up relations with japan after a disastrous deterioration in recent months.
他应当寻求修补与日本的关系，近几个月来中日两国关系严重恶化。

tough on: 对…严厉
You think I was tough on the kid?
你们认为我对那孩子太粗暴了吗？
The president might think he's tough on crime.
总统也许认为他在犯罪议题上强硬。