SMELL / TASTE 气味/味道, a foul smell or taste is very unpleasant

难闻的，恶臭的; 难吃的;

He woke up with a foul taste in his mouth.

他醒过来，嘴里一股臭味。

a pile of foul-smelling garbage

一堆臭烘烘的垃圾

He put down his mug of foul-tasting coffee.

他放下手中一大杯难喝的咖啡。

in a foul mood / temper, [BrE] in a very bad temper and likely to get angry

情绪不好/发脾气:

The argument with his mother left Putt in a foul mood.

与母亲争吵后，帕特的情绪糟透了。

AIR / WATER 空气/水, very dirty

肮脏的，污浊的:

Refugees in the camps are short of food and at risk from foul water.

营中难民缺少食品，而且还有水源污染的危险。

extractor fans to remove foul air from the tunnel

排除隧道污浊空气的排气扇

foul language, rude and offensive words

粗话，骂人话，脏话:

She claimed she had been subjected to abuse and foul language.

她声称一直受到虐待和辱骂。

WEATHER 天气, [especially BrE] foul weather is stormy and windy, with a lot of rain or snow

〔天气〕恶劣的:

Always carry foul weather gear when you go out walking.

出门散步一定要携带雨具。

also foul up [T] [formal] to make something very dirty, especially with waste

弄脏，玷污; 污染:

rivers and lakes fouled almost beyond recovery by pollutants

被污染得几乎无法恢复的河流与湖泊

an action in a sport that is against the rules

〔体育比赛中的〕犯规（动作），违例（行动）:

Wright was booked for a foul on the goalkeeper.

赖特对守门员犯规被记名警告。

a hit in baseball which goes outside the limits of the playing area

〔棒球〕界外球