You (can) bet your (sweet) life phrase
You can be absolutely certain that something is true or will occur.
You can bet your life that he is a liar.
You can bet your life that she will be the next chosen applicant.
You can bet your life that he won’t dare to express his love to her.
Meaning absolutely certain or without a doubt
Another way to say "absolutely", "definitely" or "for sure"
That's absolutely right.
Totally certain.
With absolute certainty; decisively
To be outperformed or outrun by someone, usually by a very wide margin.
You have to be quicker to finish this task or you will eat other my dust.