apos·ta·tize /əˈpɑstəˌtaɪz/
  (vi.)放棄信仰,脫黨,變節
  A·pos·ta·tize v. i. [imp. & p. p. Apostatized p. pr. & vb. n. Apostatizing.]  To renounce totally a religious belief once professed; to forsake one's church, the faith or principles once held, or the party to which one has previously adhered.
     He apostatized from his old faith in facts, took to believing in ░emblances.   --Carlyle.
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  apostatize
       v : abandon one's beliefs or allegiances [syn: apostatise, tergiversate]