Tā / nián / qīng / shí / shī / shì / míng / yī， / hòu / lái / yě / chéng / le / yì / míng / yōu / xiù / de / dài / fu。

他年轻时师事名医，后来也成了一名优秀的大夫。

He studied under a famous doctor when he was young and later became an excellent physician himself.