没齿难忘

mò chǐ nán wàng

Definitions

1. hard to forget even after one's teeth fall out (idiom); to remember a benefactor as long as one lives
2. undying gratitude

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Child Words of 没齿难忘

to forget

(negative prefix for verbs) have not; not

drowned

difficult (to...)

disaster

unforgettable

tooth