do _ dirty work
口語·用于描述替人承擔不愉快任務
例句
The manager never fires anyone himself; he always makes his assistant do the dirty work.
典故來源
源自19世紀工業革命時期，指工廠中工人被迫從事骯臟或危險的工作，后泛指替人做不光彩的事。