double-tongued
  (a.)一口兩舌的,欺騙的
  Dou·ble-tongued a. Making contrary declarations on the same subject; deceitful.
  Syn: -- deceitful, double-faced, hypocritical, Janus-faced, two-faced.
     Likewise must the deacons be grave, not double-tongued.   --1 Tim. iii. 8.
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  double-tongued
       adj : marked by deliberate deceptiveness especially by pretending
             one set of feelings and acting under the influence of
             another; "she was a deceitful scheming little thing"-
             Israel Zangwill; "a double-dealing double agent"; "a
             double-faced infernal traitor and schemer"-
             W.M.Thackeray [syn: ambidextrous, deceitful, double-dealing,
              duplicitous, Janus-faced, two-faced, double-faced]