所谓上古音,就是指周秦时代的汉语有多少个声母和多少个韵部(不说韵母,是因为不包括缺乏有关史料的介音和声调,只就主要元音和韵尾而言)。就连周秦时代的人也不知道他们的话中有什么声母韵母,两三千年以后的人来研究上古音,岂不是很玄虚了吗?所以,研究上古音,一定要机智聪明而又 The so-called ancient Chinese sound refers to the number of initials and the number of rhymes in the Chinese language of the Zhou and Qin dynasties (not including the vowels, excluding the lack of intermedia and tone related to historical materials, only the major vowels and ending). Even people in the Zhou and Qin dynasties did not know what consonants and vowels they had in their words. Would it not be profound if they studied the antiquity after two or three thousand years? Therefore, to study the ancient Chinese must be clever and intelligent