elfish
 (a.)如小精靈的,好惡作劇的,小妖精的
 Elf·ish, a. Of or relating to the elves; elflike; implike; weird; scarcely human; mischievous, as though caused by elves. “Elfish light.”
    The elfish intelligence that was so familiar an expression on her small physiognomy.   --Hawthorne.
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 elfish
      adj : usually good-naturedly mischievous; "perpetrated a practical
            joke with elfin delight"; "elvish tricks" [syn: elfin,
             elvish]