沒齒不忘 [没齿－－]

Jyutping mut6 ci2 bat1 mong4
Pinyin mò chǐ bù wàng

Definitions (CC-CEDICT)
  1. lit. will not be forgotten even after one's teeth fall out
  2. to remember as long as one lives
  3. unforgettable (idiom)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）