dǎ​dǔ

bet

打赌 (打賭) dǎ​dǔ
bet verb
to place a stake or wager on the outcome of an event

I bet you he will never agree to this plan.

wager verb
a bet or an agreement to risk something on an uncertain result

The two of them have a bet on who can reach the summit first.

Frequency

Movie subtitles
47.5 per million appears in 19% of films
Written text
1.91 per million

Sources

Definitions
CC-CEDICT