外交辞令是体现一国对外政策和捍卫一国利益的语言工具,其显著特征之一就是讲究策略和礼貌。外交辞令中大量存在着的模糊语言,可以表示礼貌,创造和谐气氛,以及达到某种交际目标。恰当运用模糊语言还能维护交际双方的面子需要。本文从实际语言效用的角度,探索外交辞令中模糊语言的生成机制与语用功能。 Diplomatic speech is a language tool embodying the foreign policy of a country and safeguarding the interests of a country. One of the salient features of diplomatic speech is its tactics and courtesy. The vague language that is abundant in diplomatic speech can show politeness, create a harmonious atmosphere, and achieve certain communicative goals. Appropriate use of vague language can also maintain the face of both communication needs. This article explores the formation mechanism and pragmatic function of vague language in diplomatic language from the perspective of practical language utility.