I wouldn't bet on it
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
I wouldn't bet on (something)
I think it is very unlikely that something will happen or be the case. A: "John said he'd be here by 8." B: "Yeah, I wouldn't bet on it. John has never been on time for anything in his life." Politicians talk about reform all the time, but I wouldn't bet on any legislation come out of Washington anytime soon.