Home HSK Vocabulary HSK 1 书 书 Shū HSK 1 · A1 Meanings abbr. for Quick facts Traditional書 Strokes4 HSK LevelHSK 1 CEFRA1 ← Back to HSK 1 Overview Practice 书 with flashcards MandoBridge uses spaced repetition to help you remember HSK 1 vocabulary — free on iOS and Android. ← All HSK 1 vocabulary