所谓“许学”,是指研究许慎《说文解字》的专门学问。许慎是东汉时人,字叔重,曾从大学问家贾逵授古学,博通经籍,时人有“五经无双许叔重”之誉。他一生致力于经籍考证与小学(即文字学)训诂,其解经的著作 The so-called “Xu study” refers to the study of Xu Shen “Shuo Wen Jie Zi” specialized knowledge. Xu Shen is a man of the Eastern Han Dynasty, the word uncle, had asked Jia Jia from ancient university professor of ancient books, Broadcom classics, when people have “Wu Shuang Shuang Shu unparalleled reputation.” His life dedicated to the textual research and primary school (ie, philology) excuse me, its interpretation of the book