1. Introduction Roman Holiday is a classical romance-comedy film in which a reporter falls in love with a runaway European princess. As a very influential film, Roman Holiday makes a deep impression on the audience with its funny plots and expressive dialogues. However, most of the critics attribute its success to the plot arrangement and actors' performance. As far as the author concern, the film dialogues also plays an important role. Moreover, many scholars, who are engaged in linguistic studies, begin to apply linguistic approach to analyze film dialogues, the results are interesting and inspiring. Some critics noticed that the dialogues in Roman Holiday contribute great to the success and popularity of the film. And it would be innovative to make a research on the dialogues in the film. The dialogue, also known as conversational exchange, is a means that not only reflect communicative purpose, also can promote the audience to better understand the development of the plot and deepen the understanding of the characters' personalities and even their relationship. And it's interesting to discover that many dialogues, which is key to the relationship improvement, are corresponding to and can be explained by Leech's Politeness Principle. Therefore,this paper makes a study of the dialogues in the film from the perspective of Leech's Politeness Principle to explore the characters' relationship development in specific context of situation,which is hoped to facilitate understanding and appreciation of the film. The research, based on six maxims of Leech's Politeness Principle, is to find out the dialogues observing these maxims respectively. Meanwhile,it is concluded that an appropriate knowledge of pragmatics helps to understand and appreciate the artistic features of films.
2.Leech's Politeness Principle Politeness, as a social phenomenon, can
References: 1] Leech,Geoffrey. Principles of Pragmatics[M]. Longman Group Limited, 1983. 2] Leech,Geoffrey. Politeness: Is there an East-West Divide[J].Journal of Foreign Language,2005(6). 3] 房宜燕,段维彤.论礼貌原则在电影对白分析中的应用[J].疯狂英语教师版,2012(1).