前所未有 qián suǒ wèi yǒu 🔊 unprecedented HSK 7–9 + Keep this word Meanings qián suǒ wèi yǒu (idiom) unprecedented Its characters 前qiánin front; beforeHSK 1所suǒactuallyHSK 5未wèinot yetHSK 6有yǒuto have; there isHSK 1