don't bet on it/I wouldn't bet on itspoken used to say that you do not think something is likely to happen 不大可能,我认为不大可能 He said he’d finish by tomorrow, but I wouldn’t bet on it. 他说他明天之前会完成,可我认为不大可能。
don’t bet on it/I wouldn’t bet on it• Maybe he's really a nice guy, but I wouldn't bet on it.
→ don’t bet on it/I wouldn’t bet on it at bet1(4)