Home HSK Vocabulary HSK 4 嘴巴 嘴巴 zuǐ ba HSK 4 · B2 Meanings mouth) slap in the face) Quick facts HSK LevelHSK 4 CEFRB2 ← Back to HSK 4 Overview Practice 嘴巴 with flashcards MandoBridge uses spaced repetition to help you remember HSK 4 vocabulary — free on iOS and Android. ← All HSK 4 vocabulary