refuse to do

You must not find fault; refuse to do it.

你不可以挑毛病; 要拒绝做这种事.

You can give a person the opportunity sth but he may still refuse to do it.

牵马到水边易,逼马饮水难(即使给某人机会,他也不一定利用).

" Can't you refuse to do overtime then? "

那你可以不去做的. ”

You should refuse to do it.

你应该拒绝做这件事.

They refuse to do anything about the real cause of crime: poverty.

他们拒绝采取措施解决引发犯罪的真正问题：贫穷。