“不”在中日两国语言中的使用都十分广泛。表面看来,它在两国语言中的使用及意思大致相同,但实则不然。本文将“不”在《新明解国语词典》及《现代汉语词典》中的全部词条抽出,通过对比分析,初步研究出“不”在中日两语中的异同。 “No ” is widely used in both Chinese and Japanese languages. On the surface, its use and meaning in the languages ​​of the two countries are roughly the same, but in reality it is not. This article extracts all the entries in the “New Explanation National Language Dictionary” and “Modern Chinese Dictionary”. Through comparative analysis, we first research the similarities and differences between the two languages ​​in Chinese and Japanese.