1
- a hoofed mammal of the horse family, which is typically smaller than a horse and has longer ears and a braying call驴。
1.1
- Genus Equus, family Equidae: E. africanus of Africa, which is the ancestor of the domestic ass or donkey, and E. hemionus of Asia.马属, 马科：非洲的苏丹野驴, 为家驴或驴和亚洲野驴的祖先。
1.2
- (in general use) a donkey（普通用语）毛驴。
2
- informal a foolish or stupid person〈非正式〉傻瓜, 蠢人：
that ass of a young man.
那个傻瓜年轻人。
词源
Old English assa, from a Celtic word related to Welsh asyn, Breton azen, based on Latin asinus.
短语动词
make an ass of oneself
- informal behave in a way that makes one look foolish or stupid〈非正式〉出洋相, 闹笑话, 做蠢事。
ass2,
1
- US vulgar slang a person's buttocks or anus〈美, 粗俚〉屁股; 肛门。
1.1
- mass noun women regarded as a source of sexual gratification被视为性交对象的女人。
1.2
- oneself (used in phrases for emphasis)［在词组中表强调］自己：
get your ass in here fast
你快点到这里来
the bureaucrat who wants everything in writing so as to cover his ass.
那个要求一切事情都有书面记录以保护自己的官僚。
短语
bust one's ass
- try very hard to do something十分努力地做某事。
chew (someone's) ass
- reprimand severely严厉地责备。
drag（或tear或haul）ass
- hurry or move fast赶快, 赶紧; 快速移动：
he better drag ass to get here.
他最好赶快来这里。
get your ass in（或into）gear
- hurry赶快, 赶紧：
if you get your ass in gear, you can make it out of here tonight.
如果你赶快, 你今晚就能从这儿搬出去。
kick (some) ass （或kick someone's ass）
- 见KICK1.
kiss ass
- 见KISS.
not give a rat's ass
- not care at all about something一点都不关心。
a pain in the ass
- 见PAIN.
a piece of ass
- 见PIECE.
put（或have）someone's ass in a sling
- get someone in trouble使某人遇上麻烦。
whip（或bust）someone's ass
- use physical force to beat someone in a fight（格斗时）打击某人。
you bet your ass
- you can be very sure你可以绝对肯定：
with clause you can bet your ass I'll go for it every time.你放心好了, 我会自始至终大力争取的。
派生词
assed
adjective大屁股的家伙们。