Home / HSK Vocabulary / HSK 6 / 难忘 难忘 nán wàng HSK 6 · C1+ Meanings unforgettable Quick facts Traditional難忘 HSK LevelHSK 6 CEFRC1+ ← Back to HSK 6 word list Practice 难忘 with flashcards MandoBridge uses spaced repetition to help you remember HSK 6 vocabulary — free on iOS and Android.