jack·pot/`dʒækˏpɑt; ˈdʒækpɒt/ n 1 [C] a large amount of money that you can win 〔可赢到的〕巨额奖金 2 hit the jackpot a) to win a lot of money 赢到一大笔钱，中头彩 b) to be very successful or lucky 极为成功，非常幸运: The National Theatre hit the jackpot with its first musical, Guys and Dolls. 国家剧院上演的首部音乐剧《俊男倩女》大获成功。