Definition
To do unpleasant or dishonest tasks for someone else, especially when they do not want to do it themselves.
替人做髒活，为人做丑事
He is always trying to use me to do his dirty work.
他总是想利用我来替他的肮脏工作。
I'm not going to do your dirty work by covering up your mistakes.
我不会替你做肮脏的工作来掩盖你的错误。
She refused to do the dirty work of making unethical deals for the company's management.
她拒绝为公司管理层做不道德的肮脏交易。