ambidexter
  (a.)兩手俱利的,十分靈光的,懷二心的兩手俱利的人,懷二心的人
  Am·bi·dex·ter a.  Using both hands with equal ease.
  Am·bi·dex·ter, n.
  1. A person who uses both hands with equal facility.
  2. Hence: A double-dealer; one equally ready to act on either side in party disputes.
     The rest are hypocrites, ambidexters, so many turning pictures -- a lion on one side, a lamb on the other.   --Burton.
  3. Law A juror who takes money from both parties for giving his verdict.
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