mad

angry, indignant, mad

crazy, mad, mental

形容词 mad:

1. roused to anger
   同义词：huffy, sore
2. affected with madness or insanity
   同义词：brainsick, crazy, demented, distracted, disturbed, sick, unbalanced, unhinged
3. marked by uncontrolled excitement or emotion
   同义词：delirious, excited, frantic, unrestrained
4. very foolish
   同义词：harebrained, insane

1. They are mad about football.
   他们对足球很狂热。
2. The children are mad keen to go to the zoo.
   孩子们非常想去动物园。
3. She was almost mad with grief when her son died.
   她的儿子死去时，她悲伤得几乎疯了。

mad

adj.（形容词）
mad.der,mad.dest
Angry; resentful.See Synonyms at angry
生气的；怨恨的参见 angry
Suffering from a disorder of the mind; insane.
患心神错乱的；疯的
Temporarily or apparently deranged by violent sensations, emotions, or ideas:
极度激动的：由于强烈的感觉、情感或想法而暂时地或明显地发生精神紊乱：
例句：
mad with jealousy.
妒忌得发狂

Lacking restraint or reason; foolish:
狂妄的，愚蠢的：缺乏约束或理智的；愚蠢的：
例句：
I was mad to have hired her in the first place.
我首先雇了她算是傻透了

Feeling or showing strong liking or enthusiasm:
对…着迷的：感到或表现出强烈的喜爱或热情：
例句：
mad about sports.
狂热地喜爱体育

Marked by extreme excitement, confusion, or agitation; frantic:
狂乱的，猛烈的：以极度兴奋、混乱或激动为标志的；狂乱的：
例句：
a mad scramble for the bus.
上公共汽车时的狂冲乱挤

Boisterously gay; hilarious:
狂欢喧闹的；狂乐的：
例句：
had a mad time.
疯狂地玩乐

Affected by rabies; rabid.
患狂犬病的；异常暴躁的
v.tr.intr.（及物动词和不及物动词）
mad.ded,mad.ding,mads
To make or become mad; madden.
使发疯或变得疯狂；使疯狂

<习惯用语>like mad【非正式用语】
Wildly; impetuously:
疯狂地；迅疾地：
例句：
drove like mad.
发疯似地驾车

To an intense degree or great extent:
在很大程度上或限度上：
例句：
worked like mad; snowing like mad.
疯狂地工作；大雪纷纷扬扬

mad as a hatter
Crazy; deranged.
发疯的；发狂的
来源：
Middle English
中古英语
from Old English gemôdde
源自 古英语 gemôdde
past participle of *gemôdan [to madden]
*gemôdan的过去分词 [使发疯]
from gem3d [insane] * see mei-
源自 gem3d [疯的] *参见 mei-

【引伸】
mad.dish
adj.（形容词）