I'm an engine-driver, as you well may see, and there's no denying it's terribly dirty work.

我是一名火车司机，正如你所看到的，不可否认，这是一项非常脏的工作。

youdao

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》

They usually have dirty hands and wear dirty work clothes.

他们的手经常很脏，穿的工作服也不干净。

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Several times at public executions in 1698 and 1699, he brushed the executioner away, grabbed the axe and did the dirty work himself, chopping off a head or two.

在1698年和1699年的数次公开行刑里,他轰走了刽子手,抄起斧子亲自动手,手刃了几个囚犯

耶鲁公开课 - 欧洲文明课程节选

It goes out to the outside world, interacts,gets its hand and mind dirty, does work outside and then applies its work and learns from "the dirty experiences" and brings it back to the lab and so on and so on in an upward spiral.

而是走到外面的世界，与外界互动，接触那些“肮脏“事物，在外面工作，并吸取经验,从“肮脏经验“中学习“,将得到的经验带回实验室,诸如此类，就像一个上升的螺旋。

哈佛公开课 - 幸福课课程节选

He told Nancy, the Preener and Riedy, the Weasel to do all the dirty work.

FORBES: Barry's Fairyland at Foggy Bottom

He's doing the real dirty work for the government right now, and it's his government.

CNN: Saddam Hussein

But change won't happen if we sit back and let other people do the dirty work.

CNN: Stamp stampede on your dollar -- for democracy