冒充

màochōng
  1. to feign
  2. to pretend to be
  3. to pass oneself off as

CEDICT

Entry Composition

=1 冒 mào old variant of 冒 mào
=1 冒 mào
  1. to emit; to give off; to send out (or up, forth)
  2. to brave; to face
  3. (bound form) reckless
  4. to falsely adopt (sb's identity etc); to feign
  5. (literary) to cover
2 充 chōng
  1. sufficient; full
  2. to fill
  3. to serve as; to act as
  4. to act falsely as; to pose as