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to bet one's life
01
to express strongly and confidently that something is undoubtedly true or will certainly happen
![to [bet] {one's} (life|boots|bottom dollar) definition and meaning](https://cdn.langeek.co/photo/46670/original/?type=jpeg "to [bet] {one's} (life|boots|bottom dollar) definition and meaning")
Idiom
InformalWhat is the origin of the idiom "bet one's life" and when to use it?
The idiom "bet one's life" is an idiomatic expression that is used to show a high degree of confidence or certainty in a particular outcome or belief. The origin of the phrase is not precisely known, but it likely derives from gambling or betting activities where individuals would wager their most valuable possessions, such as their life, boots, or the last dollar, emphasizing the significance of the bet.
Example
The detective was sure enough of the suspect's guilt to bet his life on the evidence.
I'm so confident in my team's victory that I would bet my life on it.
He trusted his instincts and would bet his boots that the missing item was in the last place he looked.
With his experience, he can bet his boots that the project will be a success.
You can bet your boots that the sun will rise tomorrow.
