believe (one's) ears

believe (one's) ears

To trust or have faith in something that one has heard. Well, believe your ears because I did get that big promotion!
See also: believe, ear
Farlex Dictionary of Idioms.

believe one's ears

Also, believe one's eyes. Trust one's own hearing or sight, as in We couldn't believe our ears when we heard that Gene was accepted at Stanford, or I couldn't believe my own eyes when the movie stars walked in. This expression of incredulity is nearly always stated negatively, as in the examples. [Early 1600s]
See also: believe, ear
The American Heritage® Dictionary of Idioms by Christine Ammer.

believe (one's) ears

To trust what one has heard.
See also: believe, ear
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • believe ears
  • believe one's ears
  • (one) can't believe (one's) ears
  • not believe ears
  • so (something) it isn't true
  • so bad, stupid, etc. it isn't true
  • give (one) to believe
  • give somebody to believe/understand...
  • lead somebody to believe
  • lead to believe