I bet you he can pick her out of a crowd of people.

我敢和你打赌，他能在一群人中认出她来。

youdao

How can I know? I bet this horse knows, if only he could tell me.

我怎么才能知道呢，我敢打赌，这马儿是知道的，如果它能告诉我就好了。

youdao

I bet I can squeeze in front of that old man so I might be able to find a seat before he does, otherwise someone else will take it.

想必能够挤在那个老人的前头，上车后或能抢先找个座位，不然其他人会霸占那个座位。

youdao

Anyways,I will risk forty dollars and bet you that he can jump farther than any frog in Calaveras County."

VOA: special.2009.08.29

And so he gets in the backseat and he says, "I bet you can't guess who I am."

他坐在后座里，然后说:“我打赌你猜不出我是谁。”

记忆犹新的乘客 - SpeakingMax英语口语达人

He is with me wherever I go, and you can bet he is by my side every step of the way as I conquer every continent, 26.2 miles at a time.

CNN: Dad's death fuels teen's passion to race