you can't bluff a bluffer

you can't bluff a bluffer

It is very difficult to fool someone who is experienced in the ways of fooling other people. I know Bill thinks he can keep up with these star poker players, but you can't bluff a bluffer—they'll see through him for sure!
See also: bluff
Farlex Dictionary of Idioms.
See also:
  • fool up
  • who am I fooling
  • fool about
  • fool with
  • fool with (someone or something)
  • eye up (something)
  • four-flusher
  • hole card
  • a hole card
  • skin game