don't you believe it

don't you believe it

expression You should not believe what we're discussing. If anyone tells you that learning to play the flute is fun, don't you believe it—it's torture!
See also: believe
Farlex Dictionary of Idioms.

don’t you beˈlieve it!

(spoken) used to tell somebody that something is definitely not true: Some people say skiing is easy but don’t you believe it!
See also: believe
Farlex Partner Idioms Dictionary
See also:
  • don't you believe it!
  • I do believe
  • so (something) it isn't true
  • so bad, stupid, etc. it isn't true
  • believe (one's) ears
  • believe ears
  • believe one's ears
  • give (one) to believe
  • give somebody to believe/understand...
  • You can't mean that!