好汉不提当年勇
hǎo​hàn​bù​tí​dāng​nián​yǒng

a hero does not boast of his past glories

  1. 好汉 好漢 hǎo​hàn
    brave man
    a person of courage and integrity; a hero or an upright, strong person
  2. 不提 bù​tí
    to not mention
    to no longer speak of; to leave a matter as it is
  3. 当年 當年 dāng​nián adverbnoun
    in those years
    in those days; back then; referring to a specific time in the past
  4. 勇 yǒng nounadjective
    brave
    brave; courageous; valiant; having the guts to take responsibility for something