upheaval | BrE ʌpˈhiːv(ə)l, AmE ˌəpˈhivəl | noun countable and uncountable ① (disturbance) (within society) 动乱 dòngluàn ; (within organization) 大变动 dà biàndòng ; (within family) 混乱 hùnluàn ▸ an emotional upheaval 情绪的巨大波动 ② Geology (地壳的)隆起 (dìqiào de)lóngqǐ |