Home HSK Vocabulary HSK 7–9 乃至 乃至 nǎi zhì HSK 7–9 · C2 Meanings and even to go so far as to Quick facts HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 Overview Practice 乃至 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android. ← All HSK 7–9 vocabulary