1. Exquisite [j ī ngzha à n]: profound.
2. Source: He Liangjun of Ming Dynasty, "Four Friends Zhai Cong Shuo · Jing San": "All those who can read the scriptures in the world should be recruited. The public monthly library should solve the problem. After reviewing the examinations day by day, they must be profound and then official."
3. Explanation in vernacular: invite people who are proficient in the Book of Changes to hire them. The public will provide food and shelter, reflect on it every day, and test it every month. You must wait until you are profound before you are summoned to the palace.
4. Example: (1) Teacher Fu can't say anything else, that is, he can repair cars with superb skills.
(2) Her chess skills are so excellent that she can win over her opponent every time.
