eva·sion /ɪˈveʒən/
  逃避,藉口
  e·va·sion n.  The act of eluding or avoiding, particularly the pressure of an argument, accusation, charge, or interrogation; artful means of eluding.
     Thou . . . by evasions thy crime uncoverest more.   --Milton.
  Syn: -- Shift; subterfuge; shuffling; prevarication; equivocation.
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  evasion
       n 1: a statement that is not literally false but that cleverly
            avoids an unpleasant truth [syn: equivocation]
       2: the deliberate act of failing to pay money; "his evasion of
          all his creditors"; "he was indicted for nonpayment" [syn:
           nonpayment] [ant: payment]
       3: nonperformance of something distasteful (as by deceit or
          trickery) that you are supposed to do; "his evasion of his
          clear duty was reprehensible"; "that escape from the
          consequences is possible but unattractive" [syn: escape,
           dodging]
       4: the act of physically escaping from something (an opponent
          or a pursuer or an unpleasant situation) by some adroit
          maneuver