chi·me·ri·cal /kaɪˈmɛrɪkəl, kə, ˈmɪr-/
 (a.)空想的
 Chi·mer·ic·al a. Merely imaginary; fanciful; fantastic; wildly or vainly conceived; having, or capable of having, no existence except in thought; as, chimerical projects.
 Syn: -- Imaginary; fanciful; fantastic; wild; unfounded; vain; deceitful; delusive.
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 chimerical
      adj 1: being or relating to or like a chimera; "his Utopia is not
             as chimeric commonwealth but a practical improvement
             on what already exists"- Doublas Bush [syn: chimeric,
              chimeral]
      2: produced by a wildly fanciful imagination; "his Utopia is
         not a chimerical commonwealth but a practical improvement
         on what already exists"- Douglas Bush