The original meaning is the matching of force and focus.
Extended meaning: appropriate; Just right.
In The Duke of Zhou, it usually means fit, fit and should.
It belongs to auxiliary verbs.
Too much is too late. ("appropriate" should be; Visit. )-"Historical Records Biography of Wei Gongzi"
It is appropriate to pay penalties and rewards. It should be left to the officer in charge to judge whether they are punished or rewarded. There is a department: there is a special department, which is an official who specializes in managing something. Punishment: Punishment. )-Zhuge Liang's "model"
Suitable for many people. (Of course, there are many people. A: Yes, it is used with "Hu" here, which means "of course". Hu: Used after adjectives, verbs and adverbs to indicate the state of things or actions. Crowd: There are many people. )-Song Zhou Dunyi's On Ailian
Bright as day, knowing many people (Yuan Keli) is better than prosperity. —— Ming Dong Qichang's Festival Atlas Yuan Gong Xing Table, etc.
Reprinted, hope to adopt —————————————————————————————————————————————————————————————————————— The night when Jinyi returned.