本文以言语行为中的表达类动词“谢谢”与“thank you”为研究对象,重点探讨它们各自实现言语行为的具体语用环境。本文借助于现代汉语语料,通过汉语英语单语词典释义的对比,找出“谢谢”与“thank you”的具体语用环境的异同,并运用礼貌原则揭示其语用环境差异的社会文化成因。最后基于前面比较分析得出的结论,为汉英词典对“谢谢”这一词条的释义提出改进的建议。 This thesis focuses on the verbal expressions of “verb”, “thank you” and “thank you” in speech act, and focuses on the specific pragmatic environment in which they each implement verbal behavior. By means of the contrast of modern Chinese corpus and the definition of Chinese-English monolingual dictionary, this paper finds out the similarities and differences between the specific pragmatic environments of “thank you” and “thank you”, and reveals the difference of pragmatic environment by using politeness principle Social and cultural causes. Finally, based on the conclusion drawn from the comparative analysis above, this paper proposes some suggestions for the improvement of the definition of “Thank you” in the Chinese-English dictionary.