Sein是海德格尔思想的核心概念,对于这一概念在汉语中如何翻译一直存在争议。文章通过对海德格尔思想理路的追溯,以及对Sein的涵义与用法的分析,给出了自己的理解。Sein这一德文单词在汉语中既有“是”的意思,又有“存在”的意思,而我们在汉语中必须分开表达这两种意思,当海德格尔将sein作为其思想的核心概念来使用的时候,就引发 Sein is the core concept of Heidegger’s thought. There has been controversy over how to translate this concept in Chinese. The article gives his own understanding through the retrospection to Heidegger’s thought and the analysis of Sein’s meaning and usage. Sein, a German word, has both the meaning of “is” and the meaning of “being” in Chinese. We must express these two meanings separately in Chinese. When Heinrich regards sein as his The core concept of thought to use when triggered