“标记”是结构主义语言学中重要的概念,它描述了语言中对立但不对称的语言现象。本文将运用“标记理论”来解释中国学生英语口语中存在的三个问题:发音,语法,文化背景差异造成的交际不和谐。 “Marker ” is an important concept in structuralist linguistics that describes the opposite but not symmetrical linguistic phenomena in a language. This paper will use “mark theory” to explain three problems that Chinese students have in spoken English: communicative discord caused by differences in pronunciation, grammar and cultural background.