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》

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。

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Take the cleaner for example. They wake up early and do the cleaning work. People dare not to do the job because it is so dirty, but the cleaners decorate the city with their hard work.

就拿清洁工来说，他们早早起来清扫，有些人觉得太脏不敢做这份工作，但是清洁工通过努力工作去装饰了这个城市。

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"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?

Sophos analyst Ron O'Brien says that is more evidence that cyber-criminals are increasing choosing the Web to do their dirty work, instead of using older techniques like e-mail.

FORBES: Magazine Article

Mr Gbagbo's army, in keeping with an old Ivorian tradition of getting foreigners to do their dirty work, recruited other Liberians, mostly refugees, to help fight the first group.

ECONOMIST: West Africa's wars