As the unit of language, person deixis and vocatives also have the functions of 'illocutionary act'.

指示语与称呼语作为语言单位，同样具有“以言指事”的这些功能。

Vocatives pose an indispensable component in speech communication, an appropriate vocative is a key to successful social communication.

称呼语是言语交际中不可或缺的构成要件；恰当的称呼是开启社交大门的钥匙。

The paper analyzes the speech acts performed by the shift of person deixis and vocatives by linking the pragmatic theory of speech acts.

通过联系语用学的言语行为理论，分析了人称指示语的活用和称呼语的变换所实施的言语行为。

This paper points out that vocatives assume three major social deictic functions: identity function, interpersonal deictic function and emotional deictic function.

本文分析了英汉言语交际实例，指出称呼语具有三种社交指示功能，即认同功能，人际关系指示功能及情感指示功能。