pass away all of a sudden ❍ 那位科学家早上～了，他昨天下午还做了一次长篇报告。In the morning the scientist passed away all of a sudden. He gave a long lecture yesterday afternoon.
溘然长逝kè rán chánɡ shì
溘：忽然。人突然死亡。die suddenly, pass away all of a sudden, pass away suddenly, breath one’s last