Home / HSK Vocabulary / HSK 4 / 系列 系列 xì liè HSK 4 · B2 Meanings series set Quick facts Traditional係列 HSK LevelHSK 4 CEFRB2 ← Back to HSK 4 word list Practice 系列 with flashcards MandoBridge uses spaced repetition to help you remember HSK 4 vocabulary — free on iOS and Android.