摘要
Lying is a kind of pragmatic phenomenon.From the perspective of the definition of a lie,a lie is a kind of speech act that deliberately conceals the facts or provides self-deemed false information to achieve the purpose of deception.The film Catch Me If You Can tells a story of an FBI agent chasing a talented young criminal.There are a variety of lies in the film,therefore this paper takes the lies in the movie as the main research material.Based on relevance theory,politeness principle,face theory in pragmatics,this paper analyzes the pragmatic features of lies from a pragmatic perspective,including gradability,subjectivity and flexibility.Using the communicative view,context view and relevance in the relevance theory can explain the subjectivity and flexibility of lies.