unheard-of
柯林斯词典
1. ADJ An event or situation that is unheard of never happens. 沒發生過的[v-link ADJ]
Riots are almost unheard of in Japan. 暴亂在日本幾乎是聞所未聞的。
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unheard of /ʌnˈhɜːd ʌv/
剑桥词典
- 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