难以启齿 Traditional 難以啟齒 nán yǐ qǐ chǐ 🔊 to be too embarrassed to mention sth (idiom) + Review this word Meanings nán yǐ qǐ chǐ 難以啟齒 to be too embarrassed to mention sth (idiom)to find it hard to speak about sth Its characters 难nándifficult (to...)HSK 3以yǐto useHSK 5启qǐto open齿chǐtooth