Home HSK Vocabulary HSK 5 平坦 平坦 píng tǎn HSK 5 · C1 Meanings level even smooth flat Quick facts HSK LevelHSK 5 CEFRC1 ← Back to HSK 5 Overview Practice 平坦 with flashcards MandoBridge uses spaced repetition to help you remember HSK 5 vocabulary — free on iOS and Android. ← All HSK 5 vocabulary