Home HSK Vocabulary HSK 3 理由 理由 lǐ yóu HSK 3 · B1 Meanings reason grounds justification Quick facts HSK LevelHSK 3 CEFRB1 ← Back to HSK 3 Overview Practice 理由 with flashcards MandoBridge uses spaced repetition to help you remember HSK 3 vocabulary — free on iOS and Android. ← All HSK 3 vocabulary