maniac
/ˈmeɪnɪk; `menɪˌæk/ n
1 mad person 躁狂者; 疯子; 狂人.
2 (derog or joc 贬或谑)
(a) person with an extreme liking (for sth) 极端喜爱某事物的人
She's a football maniac. 她是个足球迷.
(b) wild or foolish person 粗野的或愚蠢的人
That maniac drives far too fast. 那个疯子开车开得太快了.