没齿难忘 Traditional 沒齒難忘 mò chǐ nán wàng 🔊 hard to forget even after one's teeth… + Review this word Meanings mò chǐ nán wàng 沒齒難忘 hard to forget even after one's teeth fall out (idiom); to remember a benefactor as long as one livesundying gratitude Its characters 没méihave not; not齿chǐtooth难nándifficult (to...)HSK 3忘wàngto forgetHSK 2