訓詁學和漢語詞彙史,既有區别,又有聯繫,在共同關注詞義問題方面有交叉重合的現象。和常用詞研究一樣,抉發新詞新義、考釋疑難詞語也都屬於詞彙史的研究範疇,缺一不可。 There are both differences and links in the history of lexical studies and Chinese vocabulary, and there is a phenomenon of overlapping and overlapping in the common concern about the lexical problems. As with common word research, it is indispensable to make a new definition of new words and to analyze difficult words.