B: Yeah. What's the bet?

A: I bet I can go one hour in your class this morning and not feel a thing!

"I bet"用法⬇️

01.

对某事十分确信、十分肯定

Your English has improved a lot! I bet you spent a lot of time practicing it.

你的英语进步了很多！我确信你花了很多时间练习。

02.

表示表示强烈不相信对方说的话

A: I'll give up smoking in 1 month.

    我将在一个月内戒烟。

B: Yeah, I bet.

    是的才怪。

"You bet"用法⬇️

You bet=You can bet on that.

A:Will you go to the movies with me?

    和我一起去看电影吗？

B:You bet.

    那当然！