prevaricator
  說話支吾的人,說話搪塞的人
  Pre·var·i·ca·tor n.
  1. One who prevaricates.
  2. Roman Law A sham dealer; one who colludes with a defendant in a sham prosecution.
  3. One who betrays or abuses a trust.
  ◄ ►
  prevaricator
       n : a person who has lied or who lies repeatedly [syn: liar]
           [ant: square shooter]