I'll warrant (you)

成語所屬單字warrant

I'll warrant (you) — 慣用語

1. Used to say with confidence that something is true, or to reassure someone about

1.慣用語
釋義

我敢保證；我可以擔保

Used to say with confidence that something is true, or to reassure someone about a fact — often implying personal knowledge or experience.

例句

I'll warrant you, no one in this town knows the old forest paths better than I do.