Home / HSK Vocabulary / HSK 7–9 / 自发 自发 zì fā HSK 7–9 · C2 Meanings spontaneous Quick facts Traditional自發 HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 word list Practice 自发 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android.