/ˈʌpset ||; ˈʌpˌsɛt/noun1 [C,U] a situation in which there are unexpected problems or difficulties 意外的问题或困难: The company survived the recent upset in share prices. 公司挺过了最近股票价格下跌的难关。
2 [C] a slight illness in your stomach 肚子不舒服: a stomach upset 肠胃不适
3 [C,U] a situation that causes worry and sadness 令人担心、苦恼的事: She's had a few upsets recently. 近来发生了几件令她苦恼的事。It had been the cause of much emotional upset. 很多情绪困扰都是由这个原因引起的。