mis·chie·vous /ˈmɪsʧəvəs, ˈmɪʃ; &dɪvɪdɛ;mɪsˈʧiviəs, mɪʃ-/
  (a.)淘氣的,有害的,惡作劇的,胡攪的
  Mis·chie·vous a. Causing mischief; harmful; hurtful; -- now often applied where the evil is done carelessly or in sport; as, a mischievous child. “Most mischievous foul sin.”
     This false, wily, doubling disposition is intolerably mischievous to society.   --South.
  Syn: -- Harmful; hurtful; detrimental; noxious; pernicious; destructive.
  -- Mis*chie*vous*ly, adv. -- Mis*chie*vous*ness, n.
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  mischievous
       adj 1: naughtily or annoyingly playful; "teasing and worrying with
              impish laughter" [syn: impish, implike, pixilated,
               prankish, puckish]
       2: badly behaved; "he was saucy and mischievous in school"; "a
          naughty boy" [syn: naughty]
       3: deliberately causing harm or damage; "mischievous rumors and
          falsehoods"