Home HSK Vocabulary HSK 7–9 前所未有 前所未有 qián suǒ wèi yǒu HSK 7–9 · C2 Meanings (idiom) unprecedented Quick facts HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 Overview Practice 前所未有 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android. ← All HSK 7–9 vocabulary