[没齿难忘 / 沒齒難忘, mò chǐ nán wàng, ㄇㄛˋ ㄔˇ ㄋㄢˊ ㄨㄤˋ]hard to forget even after one's teeth fall out (成语 saw); to remember a benefactor as long as one lives; undying gratitude#103893[Add to Longdo]
[没齿难忘 / 沒齒難忘, mò chǐ nán wàng, ㄇㄛˋ ㄔˇ ㄋㄢˊ ㄨㄤˋ]hard to forget even after one's teeth fall out (成语 saw); to remember a benefactor as long as one lives; undying gratitude#103893[Add to Longdo]