平山久雄教授《汉语语音史探索》是一部具有重要学术意义的著作,对汉语音韵学贡献殊多。其首篇《“大”字dà音史研究》一文堪称汉语例外音变研究的经典性论文。笔者认为,以中国经典之首《易》之《系辞上》的“探赜索隐,钩深致远”八字方足以概括其宗旨,刔发其精义。本文的主要内容是将作为“读者”的我接受“作者”的“文本”之后的认识作一番梳理,然后按照学术思路的逻辑顺序逐一胪陈、释论。 Prof. Hirayama Hirayama, “Exploration of the History of Chinese Phonetics,” is a book of great academic significance that contributes a lot to Chinese phonology. The first “” big “word dà sound history research” one article can be called the Chinese exception of the classic study of phonetics. The author believes that the “classic” of the first “easy” of the “rhetoric” of “exploration of hidden implicit, far-reaching ” character enough to summarize its purpose, to send its essence. The main content of this article is to sort out my understanding as “reader ” after I accept “text ” of “author ”, and then one by one according to the logical order of academic thinking.