Home / HSK Vocabulary / HSK 6 / 因 因 yīn HSK 6 · C1+ Meanings cause reason because Quick facts Strokes6 HSK LevelHSK 6 CEFRC1+ ← Back to HSK 6 word list Practice 因 with flashcards MandoBridge uses spaced repetition to help you remember HSK 6 vocabulary — free on iOS and Android.