Subtle and subtle

Subtle and subtle

It describes sharp eyes, deep and thorough observation.

Idioms and allusions

It comes from Ma Jianzhong's book on Li boxianyan's going abroad for work in Qing Dynasty: "it is said that those who are able to understand things in a subtle and concise way can be compared with those who are not merely drilling paper."

Discrimination of words

[pinyin code]: dyzw synonym: dongyouzhuwei used as predicate and attribute; refers to sharp eyes