Home / HSK Vocabulary / HSK 5 / 牛 牛 Niú HSK 5 · C1 Meanings surname Niu Quick facts Strokes4 HSK LevelHSK 5 CEFRC1 ← Back to HSK 5 word list Practice 牛 with flashcards MandoBridge uses spaced repetition to help you remember HSK 5 vocabulary — free on iOS and Android.