lu·na·cy /ˈlunəsi/
 精神失常,精神病,大癡


 lu·na·cy /ˈlunəsɪ/ 名詞
 精神錯亂


 Lu·na·cy n.; pl. Lunacies
 1. Insanity or madness; properly, the kind of insanity which is broken by intervals of reason, -- formerly supposed to be influenced by the changes of the moon; any form of unsoundness of mind, except idiocy; mental derangement or alienation.
 Your kindred shuns your house
 As beaten hence by your strange lunacy.   --Shak.
 2. A morbid suspension of good sense or judgment, as through fanaticism.
 Syn: -- Derangement; craziness; mania. See Insanity.

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 lunacy
      n 1: obsolete terms for legal insanity [syn: madness, insaneness]
      2: foolish or senseless behavior [syn: folly, foolery, tomfoolery,
          craziness, indulgence]