Abstract: This study aims to investigate the functions of English hedges in verbal communication from the perspective of semantics and pragmatics. One of the most important functions is to serve as a politeness strategy. This thesis first introduces different categories of hedges, then analyzes the politeness function of hedges and finally explains what role hedges play in communication and how they are appropriately used with specific examples. The paper concludes that correct use of hedges helps to achieve the communicative purpose successfully.
Key words: hedges; politeness maintenance
摘要：本文旨在从语义学和语用学角度探讨模糊限制语的功能,其中最重要的功能之一是用于礼貌表达策略。本文首先介绍不同类型的模糊限制语，然后分析模糊限制语的礼貌功能，最后用具体例子来展示模糊限制语在交际中扮演的角色及正确运用方法。正确运用模糊限制语能确保言语交流的有效进行。
关键词：模糊限制语；礼貌维护
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