关于《礼记·学记》“大学之教也，……教之不刑，其此之由乎”一段的文字，历来解经之士，颇多误解，以致不得其义。本文特别针对前人之误解，对“博依”、“杂服”、“占毕”、“讯言”等词，综合古今学者之解释，加以音韵关系之说明，企望得一稍为合理之解释，以求得正确之经义。戴震尝云：“经之至者道也，所以明道者其辞也，所以成辞者，未有外乎小学文字者也。”本篇所释即在发皇戴君此理也。 About “Book of Rites,” “The University of teaching also, ... teach the imprisonment, which cares about” a period of text, historians, learned a lot of misunderstanding, so worthless. In the light of the misunderstandings of previous scholars, this essay explains the relationship between phonology and phonology based on the explanations of ancient and modern scholars, such as “Boyi”, “Miscellaneous Services”, “Completion” and “ , In order to obtain the correct righteousness. Dai Zhen-tasting cloud: ”After the way to those who, so the wise people who also resign, so into a speech, there is no outside primary school text also."