has more bark than bite

has more bark than bite

Is not as dangerous as one has attempted to present oneself. Don't worry about John's threats—he has more bark than bite.
See also: bark, bite, more
Farlex Dictionary of Idioms.
See also:
  • his, her, etc. bark is worse than his, her, etc. bite
  • bark
  • One's bark is worse than bite
  • take a bite out of
  • take a bite out of (something)
  • take a bite out of something
  • have a bite
  • don't bark if you can't bite
  • come back to bite (one)
  • bite your lip