Home / HSK Vocabulary / HSK 5 / 一流 一流 yī liú HSK 5 · C1 Meanings top quality front ranking Quick facts HSK LevelHSK 5 CEFRC1 ← Back to HSK 5 word list Practice 一流 with flashcards MandoBridge uses spaced repetition to help you remember HSK 5 vocabulary — free on iOS and Android.