宝刀不老 (bǎo dāo bú) — (idiom) still vigorous and capable despite advanced age; to have lost none of one's skill

Definition

Examples

• 这位老教授真是宝刀不老，讲课还是那么精彩。
  Zhè wèi lǎo jiào shòu zhēn shì bǎo dāo bú, jiǎng kè hái shì nà me jīng cǎi.
  This old professor really still has it — his lectures are still that brilliant.
• 虽然他已经六十岁了，但在球场上依然宝刀不老。
  Suī rán tā yǐ jīng liù shí suì le, dàn zài qiú chǎng shàng yī rán bǎo dāo bú.
  Although he's already sixty years old, on the court he's still going strong.
• 这位老演员宝刀不老，演技比年轻时候更好了。
  Zhè wèi lǎo yǎn yuán bǎo dāo bú, yǎn jì bǐ nián qīng shí hou gèng hǎo le.
  This veteran actor has lost none of his skill — his acting is even better than when he was young.