force somebody to do what he is unwilling to do 强人所难

强人所难，汉语成语，意思是勉强人家去做他不能做或不愿做的事情，可以翻译为“force somebody to do what he is unwilling to do或constrain somebody to do things that are beyond his power”。

例句：

既然她不愿意去，我们最好不要强人所难。

Since she doesn't want to go, we'd better not force her.

他不会唱歌，你偏要他唱，这不是强人所难吗？

He can't sing , but you insist on it. Aren't you forcing him to do something against his will?