maniac

maniac
[ˈmeɪnɪak]
noun
  1. a person exhibiting extreme symptoms of wild behaviour, especially when violent and dangerous
    (尤指有狂暴与危险外在表现的)疯子,狂人
    a homicidal maniac.
    杀人狂。
    ■[with adj. or noun modifier](informal)an obsessive enthusiast
    (非正式)入迷于…的人,热衷于…的人
    a religious maniac.
    宗教迷。
    ■(Psychiatry, archaic)a person suffering from mania
    (精神病学 古)躁狂者,躁狂症患者
派生
maniacal
[məˈnʌɪək(ə)l]
adjective
maniacally
[məˈnʌɪək(ə)li]
adverb
语源
  1. early 16th cent. (as an adjective): via late Latin from late Greek maniakos, from mania (see mania)
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