ㄌㄠˇㄐㄧˋㄈㄨˊㄌㄧˋlǎojì‑fúlì

老骥伏枥
  1. :老驥伏櫪千里。」比喻作為雖然年老建功立業雄心壯志 專家古稀國家航太事業嘔心瀝血可謂老驥伏櫪千里」。

lit. an old steed in the stable still aspires to gallop 1000 miles (idiom)​; fig. aged person with great aspirations