you can bet your life

you (can) bet your (sweet) life

You can be absolutely certain that something will happen. Sometimes used ironically. You bet your sweet life I'm going to that concert—I've been saving up for my ticket for months now! Oh, you can bet your life that Kevin will be late tonight—he's never on time! I lost my umbrella, so you can bet your life that it's going to rain soon.
See also: bet, life

you can bet your life

You can be totally certain that something is the case or will happen. I lost my umbrella, so you can bet your life that it will rain tomorrow! Oh, you can bet your life that Kevin will be late tonight—he's never on time!
See also: bet, can, life
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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