從前,嘉興沈乙庵(子培)對靜安先生說過這樣的話,“文字有字原,有音原,字原之學,由許氏以上溯殷周古文止矣,自是以上我輩不獲見也,音原之學,自漢魏以溯諸羣經《爾雅》止矣,自是以上我輩尤不能知也。明乎此,則知文字之孰爲本義,孰爲引伸假借之義,蓋難言之”。許慎作《說文解字》是首先打破四個字一句的識字課本的框框,創造了 Once upon a time, Jiaxing Shen Ethnology (Zi Pei) said to Mr. Jing An: “The characters have the original, the original, the original theory of the word, Also, the sound of the sound of the original, since the Han Dynasty Wei Zhu various groups by the ”Ya“ only carry on, since I more than you can not know .Also, then the text of what is the original meaning of meaning, what is an extension of the meaning of borrowing, cover Unspeakable ”. Xu Shen for “Shuo Wen Jie Zi” is the first to break the four-character literacy text box, created