没齿不忘 mò chǐ bù wàng

DEFINITIONS

  1. lit. will not be forgotten even after one's teeth fall out
  2. to remember as long as one lives
  3. unforgettable (idiom)

CHARACTERS

没 mò
HSK 1
not, have not, none; drown, sink
齿 chǐ
HSK 5
teeth; gears, cogs; age; simplified form of the KangXi radical number 211
不 bù
HSK 1
no, not; un-; negative prefix
忘 wàng
HSK 3
forget; neglect; miss, omit