Home / HSK Vocabulary / HSK 7–9 / 保暖 保暖 bǎo nuǎn HSK 7–9 · C2 Meanings to keep warm Quick facts Traditional保煖 HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 word list Practice 保暖 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android.