Home / HSK Vocabulary / HSK 6 / 核心 核心 hé xīn HSK 6 · C1+ Meanings core; nucleus Quick facts Traditional覈心 HSK LevelHSK 6 CEFRC1+ ← Back to HSK 6 word list Practice 核心 with flashcards MandoBridge uses spaced repetition to help you remember HSK 6 vocabulary — free on iOS and Android.