《世说新语·术解》
这是因为青州有个齐郡，平原郡有个鬲县；所谓从事，说明酒力能达到肚脐下，所谓督邮，说明酒力到膈膜上就停住了。
青州有齐郡，平原有鬲县。 从事 言 到脐 ， 督邮 言在 鬲上住 。
This was because Qingzhou had a Qi prefecture, and Pingyuan prefecture had a Lisi county; “cong shi” means that the wine can reach the belly button, and “du you” means that the wine stops at the diaphragm.