Home / HSK Vocabulary / HSK 7–9 / 坚硬 坚硬 jiān yìng HSK 7–9 · C2 Meanings hard solid Quick facts Traditional堅硬 HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 word list Practice 坚硬 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android.