Oil has always been a dirty business, both literally and metaphorically.

石油一直是一个肮脏的行业，无论是从字面上还是从比喻意义上看都是如此。

War is a dirty business and I do not like dirt.

战争是肮脏的事业，而我不喜欢肮脏。

The chicken industry is a dirty business, but it is also a profitable one.

养鸡业很脏，但有利可图。

He says prisoner swaps are parts of what he called the dirty business of war.

他表示交换战俘是可怕的战争的一部分。

The sallow gleam in which the machine men go about their dirty business in the dead of night.

在微暗的灰黄色光线笼罩下，那些如同机械般的士兵在这黑更半夜从事着罪恶的勾当。

Most archaeology is of course a slow dirty business, followed by even slower recording of what has been found.

大多数的考古工作真是又累又苦，又慢又脏；逐一记录下发掘出来的有用没用的物品的过程，就更别提有多缓慢了。

We must put an end to these climate-destructive, loosely regulated, dirty businesses that are destroying the Earth.

我们必须制止这些破坏气候、监管松散、肮脏、正在毁灭地球的企业。

War is dirty business, and in the aftermath of the First World War the nations of the world moved to limit the scope of its destructive impact.

战争是肮脏的生意， 在第一次世界大战之后，世界各国采取行动限制其破坏性影响的范围。

There were plenty of dirty-handed men in the world to do dirty business; and Will protested to himself that his share in bringing Mr. Brooke through would be quite innocent.

世界上有很多肮脏的人做肮脏的事情；威尔自言自语地说，他帮助布鲁克先生渡过难关是完全无辜的。