How is “i wouldn't bet on it” used?

In What Happens in Vegas (2008), one line is: “No, no, no, no, no. I wouldn't... I wouldn't bet on me winning.”

Which movie is “i wouldn't bet on it” from?

The clip at the top of this page is from What Happens in Vegas (2008).

Idiom

used to say that you do not think that sth is very likely

informal · Heard in 5 movies

I wouldn't bet on it
used to say that you do not think that sth is very likely
'She'll soon get used to the idea.''I wouldn't bet on it.'

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

No, no, no, no, no. I wouldn't... I wouldn't bet on me winning.

Said in 5 films · #1