gǔ / dài / guān / jué / zhì / dù / yán / gé / guān / yuán / de / shēng / qiān / yǒu / míng / què / guī / dìng

古代官爵制度严格，官员的升迁有明确规定。

The system of official ranks and titles was strict in ancient times, with clear rules for officials' promotion.