Annotation to Origin of Chinese Characters, complied by Dun Yucai, is the essential linguistic book, which lies on its profound and unique views in lexicology, especially for its discrimination and analysis of synonyms.

• 摘要段玉裁的《说文解字注》是一部体大思精的语言学巨著，其在词汇学方面的研究可谓见解精深、独特，尤其对同义词辨析更是技高一筹。