vt. & vi.打赌 risk money on sth of which the result is doubtful

　～ money　赌钱
　～ against sb's winning　肯定某人不会赢
　～ on　就…打赌
　～ on the wrong horse　下错了赌注，判断错误
　～ with sb　与某人打赌

　Foreigners are fond of betting.　外国人喜欢打赌。
　I'll bet you.　我将与你打赌。
　I'll bet a month's pay.　我愿以一个月的工资打赌。
　He'll bet fifty dollars.　他愿打赌50美元。
　He bet that it would rain tomorrow.　他打赌说明天一定下雨。
　The old man bet that Tom would be there before us.　这位老人打赌说汤姆将在我们之前到那儿。
　They bet that they will win the next election.　他们打赌说他们将在下次竞选中获胜。
　I bet it rains tomorrow.　我敢打赌明天会下雨。
　I bet I will win.　我打赌我赢。
　I bet you can't do this puzzle.　我敢打赌，你解决不了这个难题。
　He bet me that I couldn't do it.　他跟我打赌说我做不了这件事。
　I bet you that the 21th century will be better than the 20th century.　我跟你打赌21世纪会比20世纪更美好。
　I bet her five dollars that it would rain.　我和她打赌五美元说今天会下雨。
　He bets me ten dollars that John wouldn't come.　他认为约翰不会来，与我打赌十美元。
　He bet me a hundred pounds that I wouldn't get through.　他和我打赌100英镑说我通过不了。

 ♣ bet on　(v.+prep.)
　赌…　risk (money) on (sth)
　It's foolish to bet on horses.　赌马是愚蠢的。
　I'll bet you anything on it.　对那件事我敢跟你赌任何东西。
　He bet me ten dollars on John's coming.　他跟我打赌十美元说约翰会来。
　I bet you two cents on his winning.　我跟你打赌2美分他赢。

 ♣ bet, gamble, wager
　这组词都表示“打赌”。它们的区别是：
1. wager和bet常可互换，只是bet常用于美式英语中，而wager常用于英式英语中，且wager比bet较为正式。
2. gamble含有在不利情况下甘冒风险、孤注一掷的意味，而bet和wager却不含有这种意味。

1. C 打赌　an agreement to risk money on the result of a future event, by which the person who guesses wrongly gives the money to the other person
2. C 赌金，赌注　a sum of money risked in this way

　accept ～　同意打赌
　have ～　打赌
　win ～　赌赢
　heavy ～　大赌
　on a ～　打赌

　We made a bet on the outcome of the next election.　我们就下次选举的结果打了赌。
　His bet on the boat race was $50.　他下在赛船上的赌注是50美元。