As a member of an elite army hit squad, the army would send us out to do their dirty work for them.

身为精锐突击队的成员，部队会派我们去执行艰难的任务。

《柯林斯英汉双解大词典》

It's a bit rich to let private citizens do your dirty work for you and then lecture them on their responsibilities.

让公民们为你代劳肮脏之事，然后你又向他们宣讲责任云云，不免有些荒唐。

youdao

People dare not to do the job because it is so dirty, but the cleaners decorate the city with their hard work.

人们不敢做这份工作，因为脏，但是清洁工通过努力工作去装饰了这个城市。

youdao

They use sundry police units and men from the dreaded Ministry of the Interior to do their dirty work.

ECONOMIST: The last communists

"Not all politicians lie, " says Oakley, although he concedes that many now have spin doctors to do their dirty work for them.

CNN: Can politicians be trusted?

Terrorists have used our legal system as a weapon for quite a while, and have found no shortage of American lawyers willing to do their dirty work.

CENTERFORSECURITYPOLICY: Terrorist lawfare and radical lawyers