寶刀不老 [宝－－－]

Jyutping bou2 dou1 bat1 lou5
Pinyin bǎo dāo bù lǎo

Definitions (CC-CEDICT)
  1. lit. a good sword always remains sharp (idiom)
  2. fig. (of one's skills etc) to be as good as ever
  3. the old man still has it
Definitions (Wiktionary)
  1. phrase, idiomatic
    old but still got it; as vigorous and active as before; just as skilled as when one was young
    (syn.) 寶刀未老, 宝刀未老
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）