v下(打)赌 (risk (money) on the result of a future event) [I， I+prep(on)，T+n+prep (on)， T+that， D+n+n， D+n+that]：Do you ever～? 你打过赌吗? spend one's money～ting打赌花掉钱;～on horses 赌赛马;What will you～? 你拿什么打赌?～a great deal of money on a horse/a football game/a race 在一匹马/一场足球赛/一次赛跑上下了巨额赌注;I～you my last shilling. 我孤注一掷和你打赌。He～(me)(￡5) that he would win/I wouldn't get through.他(跟我)打赌(五英镑) 说他会赢/我干不完。Bill was～ted a shilling that he was wrong. 有人和比尔打赌一先令说他错了。

bet one's bottom dollar/boots/shirt on sth/that 肯定 (infml)：I～you my bottom dollar/boots/shirt (that) he won't come. 我敢打赌他肯定不会来。

I bet 我肯定 (infml)：I('ll)～you can't do this puzzle. 我肯定你解不了这个迷。“He will be here on time today. ” “I～! ”“他今天会准时到这儿的。”“我看未必。”

You bet 肯定，当然 (infml)：“Will you tell her? ” “You～(I will). ”“你会告诉她吗?”“(我)当然会。”You～I'd like to be there! 我当然是愿意去那儿!

n (1) 下(打)赌 (agreement to risk money on the result of a future event)[C]：make (have) a～(of ￡10) on the next election/the Derby/that sb will win 就下一届选举/赛马会/某人会赢打赌(10英镑);Are you willing to take a～on whether he will come or not? 你愿意就他是否来打赌吗? My～is he'll be right back. 我肯定他马上就会回来。win/lose a (one)～赌赢/输;have a～with sb that... 和……打赌说……;place a～(with a bookmaker) (向赌赛马者)下赌注;Your best～is to sell your stocks now.你最好的办法是现在卖掉公债。hedge/cover one's～s 两面下注(以防赌输);

(2) 赌注(金) (a sum of money so risked)[C]：His～on the race was 100.他对那次赛跑下的赌金是100美元。a ￡5～五英镑的赌金;a two-dollar～两美元的赌注;Put your～down before the wheel stops spinning.轮盘停止转动之前把赌金放下。place/put a～on a horse把赌注押在一匹马上;Place your～s， gentlemen! 先生们，下赌注吧!

(3) 看法，预见 (opinion; prediction) [C] (infml)：My～is they've got held up in the traffic.我看他们是因为交通耽搁了。