(1) 大災(zāi)難(禍，害)(extremely unfortunate event or happening) [C]：a natural/financial/political～自然災(zāi)害/巨大的金融損失/政治災(zāi)難;an air/airliner～空難/空難;send help to the～area 往災(zāi)區(qū)派送救援;die in a～死于災(zāi)難;meet with/suffer/face a～遭遇/遭受/面對災(zāi)難;The fire/earthquake was the worst～ever to hit the town. 那次火災(zāi)/地震是該鎮(zhèn)從來未遭受過的最大災(zāi)難。
(2) 完全失敗的人;大失敗(person， thing or event that is a complete failure) [C](infml)：As a teacher， he's a～. 當(dāng)教師，他極不成功。The dress(I made)/performance/party was a～.(我做的)衣服/表演/聚會完全失敗了。
(3) 失敗(total failure) [U]：Her career is a story of utter～. 她的職業(yè)生涯是一次徹底的失敗。
→di′sastrous adj 災(zāi)難性的;招致災(zāi)難(禍)的;di′sastrously adv 災(zāi)難性地