柯林斯詞典unheard of /?n?h??d ?v/ 1. ADJ An event or situation that is unheard of never happens. 沒(méi)發(fā)生過(guò)的[v-link ADJ] Riots are almost unheard of in Japan. 暴亂在日本幾乎是聞所未聞的。 返回 unheard-of劍橋詞典surprising or shocking because not known about or previously experienced 令人震驚的；前所未聞的，空前的 It was unheard-of for an unmarried couple to live together. 未婚同居，這在以前是聞所未聞的事。 返回 unheard-of