A dirty cut may go septic.

伤口不干净容易受感染。

《牛津词典》

Profit is not a dirty word around here.

在这里，赢利不是一个犯忌的字眼。

《牛津词典》

She's a dirty player.

她是个没有体育道德的运动员。

《牛津词典》

Faulkner said he saw in his mind a dirty little girl playing in front of her house.

VOA: special.2010.01.10

That caused a rebellion and they overthrew the kings, and thereafter, the word king was a dirty word in Roman history.

该事件引发了叛乱,叛军推翻了国王,从此之后,"国王"这个词在罗马历史上成了一个脏字

耶鲁公开课 - 古希腊历史简介课程节选

I think Republicans play a dirty game of politics,

我认为共和党在政治游戏中玩得很烂，

两党制度的优缺点 - SpeakingMax英语口语达人

We've got -- the other side has decided that "compromise" is a dirty word.

WHITEHOUSE: The White House

He brought out a dirty piece of paper from the knot on his sarong.

NEWYORKER: The Elephant

You think this was a dirty job he was trying to do to you.

NPR: Two Bases, Two Stories: Portsmouth, McPherson