Chinese pinyin b m: o Xu é zh: and Shi √.
Definition of idiom: erudition. Refers to a knowledgeable person.
The source of the idiom is Ming Luo Guanzhong's Romance of the Three Kingdoms, which says: "Both men and women are educated. If you climb such a high platform without a good chapter, can you win something for a while? "
The old man may be a well-read man, and he writes every word well.
★ Zhang Tianji's "New Life"