don't bet on it

don't bet on it

Don't expect something to happen. I know you're hoping that the meeting starts late, but Kevin's always on time, so don't bet on it. A: "That game is going to be a blowout!" B: "Don't bet on it. There's no way they're going to get embarrassed on their home field."
See also: bet, on
Farlex Dictionary of Idioms.

don't bet on it

used to express doubt about an assertion or situation. informal
See also: bet, on
Farlex Partner Idioms Dictionary
See also:
  • don't cry before you are hurt
  • don't give up the ship
  • all in (one's) head
  • don't get me wrong
  • Don’t make a federal case out of it!
  • don't beat a dead horse
  • don't hand me that line
  • don't hand me that story
  • don't give me that line
  • don't give me that story