词根:
bit 咬 -> 咬定（某事/某物）不放 -> bet 赌
v. 打赌与（某人）以钱打赌（非正式）敢说
n. 打赌赌注（非正式）有可能成功的人选（或备选行动）
abbr. 在……中间往返于合用夹在两物之间的空间中在期间 (between)He had a bet on this black horse.
他在那匹黑马上下了注。
Minors are prohibited from betting.
未成年人禁止赌博。
I bet that the man is the winner of this competition.
我敢打赌，这个人是这场比赛的赢家。
I bet he won't come.
我敢肯定他不会来。
She had a bet on the race.
她参与了比赛投注。
I bet you would like some pizza.
我猜你肯定想吃点披萨。
You bet I will be there on time!
你相信我肯定会准时到！
