这些形容词均有“脏的、污秽的”之意。
dirty : 普通用词，泛指被玷污或弄脏。
- Her face was dirty and tear-stained.
她的脸很脏，还留有泪痕。 - dirty hands/clothes
脏手 / 衣服 - a dirty mark
污迹 - Try not to get too dirty!
别把身上弄得太脏！ - I always get given the dirty jobs (= jobs that make you become dirty).
让我干的都是些脏活。
foul : 指由于腐烂、恶臭等造成的不干净，令人恶心。
- foul air/breath
污浊难闻的空气 / 气息 - a foul-smelling prison
臭烘烘的监狱 - oul polluted water
恶臭的脏水
nasty : 主要指特别讲究清洁的人感到讨厌的东西。
- There's a nasty smell in here.
这里有股难闻的气味。 - This coffee has a nasty taste.
这咖啡真难喝。 - Don't buy that coat─it looks cheap and nasty.
别买那件外套——一看就是便宜货。 - She has a nasty habit of picking on people in meetings.
她有一个在会上故意挑别人毛病的坏习惯。
