用法:
1 [U] (medical 医) mental disorder marked by extreme excitement or violence 躁狂; 狂.

用法:
2 [C] ~ (for sth) (infml) extreme or abnormal enthusiasm 狂热; 癖好:
have a mania for sweets, for collecting things 有嗜糖果、 搜集东西的癖好.
-mania
comb form 构词成分 (forming ns 用以构成名词) madness or abnormal behaviour of a particular type某种疯狂的或不正常的行为:
kleptomania *
nymphomania.

• on behalf of(on the part of)
• on contract(under contract)
• on earth(on the earth)
• on fire(on the fire)
• on guard(on one's guard)
• on hand(on all hands)
• on hand(on one's hands)
• on occasion(on one occasion)
• on one's account(on one's own account)
• on one's life(in one's time)
• on one's part(on one's side)
• on order(on orders)
• on pain of(under pain of)
• on schedule(on the schedule)
• on stage(on the stage)
• on the board(on the boards)
• on the contrary(in contrast)
• on the contrary(on the other hand)
• on the contrary(to the contrary)
• on the pretence of(under the pretence of, on/under the pretext of)
• on the quick(to the quick)
• on the side(on the …side)
• on the table(upon the table)
• on the turn(to a turn)
• on the watch against(on the watch for)