Home / HSK Vocabulary / HSK 7–9 / 互信 互信 hù xìn HSK 7–9 · C2 Meanings mutual trust Quick facts HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 word list Practice 互信 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android.