At forty every man is a fool or his own physician.

人到四十，若非蠢材，当知调摄。

youdao

He is a man with an experience of forty years at sea.

他是一位有四十年航海经验的人。

youdao

He is a man with an experience of forty years at sea.

他是一位有四十年航海经验的人。

youdao