up·set³/`ʌpˏsɛt; ˈʌpset/ n [C] 1 when a player or team unexpectedly wins 〔比赛的〕意外结果: There's been a big upset at Wimbledon. 温布顿球赛爆出大冷门。 2 an unexpected problem or difficulty 意外的麻烦［困难］: We've had one or two minor upsets. 我们遇上了一两个小问题。 3 a stomach upset when your stomach feels slightly ill 肠胃不舒服