(dirtier, dirtiest)
1
- covered or marked with an unclean substance肮脏的, 不干净的：
a tray of dirty cups and saucers
一盘子的脏杯子和碟子
her boots were dirty.
她的靴子很脏。
1.1
- causing a person or environment to become unclean使脏的：
farming is a hard, dirty job.
耕作是又苦又脏的活。
1.2
- (of a nuclear weapon) producing considerable radioactive fallout（核武器）产生大量放射性沉降物的。
1.3
- (of a colour) not bright, clear, or pure（颜色）不鲜明的, 不亮的, 不纯净的：
the sea was a waste of dirty grey.
大海是灰蒙蒙的一片汪洋。
1.4
- concerned with sex in a way considered to be unpleasant or obscene下流的; 色情的：
he told a stream of dirty jokes.
他讲了一连串黄色笑话。
1.5
- attrib. informal used to emphasize one's disgust for someone or something〈非正式〉讨厌的（用来强调对某人或某物的厌恶）：
you dirty rat!
你这个讨厌的家伙！
1.6
- (of an activity) dishonest; dishonourable（行为）不诚实的; 不体面的：
he had a reputation for dirty dealing.
他有做事龌龊的坏名声。
1.7
- (of weather) rough, stormy, and unpleasant（天气）恶劣的, 有暴风雨的：
the yacht was ready for dirty weather.
游艇已经准备好了对付坏天气。
1.8
- (of popular music) having a distorted or rasping tone（流行音乐）音调失真的; 刺耳的：
Nirvana's dirty guitar sound.
涅槃乐队刺耳的吉他声。
2
- US informal using illegal drugs〈美, 非正式〉使用非法药品的; 使用违禁药物的。
as submodifier
- Brit. informal used for emphasis〈英, 非正式〉很, 非常（用来表示强调）：
a dirty great slab of stone.
一块非常大的石板。
1
-ies, -ied
with obj. cover or mark with an unclean substance弄脏：she didn't like him dirtying her nice clean towels.
她不喜欢他弄脏她漂亮干净的毛巾。
1.1
- cause to feel or appear morally tainted（精神上）玷污：
the criminals have dirtied the city.
这些罪犯给这个城市带来了耻辱。
短语
the dirty end of the stick
- informal, chiefly Brit. the difficult or unpleasant part of a task or situation〈非正式, 主英〉（任务或形势）困难（或讨厌）的部分。
do the dirty on someone
- Brit. informal cheat or betray someone〈英, 非正式〉欺骗; 背叛（某人）。
get one's hands dirty（或dirty one's hands）
1
- do manual, menial, or other hard work干体力活, 干粗活, 干重活：
unlike most chairmen, he gets his hands dirty working alongside the other managers.
和大多数董事长不同, 他不辞辛劳, 和其他经理们一起干活。
1.1
- informal become involved in dishonest or dishonourable activity〈非正式〉卷入不诚实（或不名誉）的行动：
they can make a lot of money, but fat cats don't get their hands dirty.
他们可以赚很多钱, 但这些大亨们不想被拉下水。
play dirty
- informal act in a dishonest or unfair way〈非正式〉做事不诚实（或不公平）。
talk dirty
- informal speak about sex in a way considered to be coarse or obscene〈非正式〉讲下流话。
wash one's dirty linen in public
- 见WASH.
派生词