-  驴
 An ass is an animal which is related to a horse but which is smaller and has long ears.
 
- N-COUNT 傻瓜;笨蛋
 If you describe someone as an ass, you think that they are silly or do silly things.- He was generally disliked and regarded as a pompous ass.
 他常不招人待见,而且被看作是个自负的大傻帽儿。
 
-  屁股
 Your ass is your bottom.
 
in BRIT, use 英国英语用 arse bum
										- PHRASE (通过语言或暴力)泄愤,发泄不满情绪
 To kick ass or to kick someone's ass means to show them that you are angry with them, either by telling them or by using physical force.- They've really been kicking ass lately — busting places up, harassing everybody...
 他们最近真是让人气不打一处来,闹得天翻地覆,搅得每个人都不得安宁。
- He damn well better not try it now or he will damn well get his ass kicked.
 他最好不要现在就试,否则铁定会被气个半死。
 
-  (粗鲁地表示愤怒或异议)去你的,去死
 Saying that someone can kiss your ass is a very rude way of expressing anger or disagreement.
 
- PHRASE 出洋相;闹笑话
 If you say that someone makes an ass of themselves, you mean they behave in a way that you think is very silly.- I find no pleasure in seeing people make asses of themselves.
 我看见人们出洋相并不幸灾乐祸。
 
- a pain in the ass → see: pain