本文以口语的自发性和即逝性开始,说明了理解在口译中的重要性。分析了Massaro的理解假想模式图中体现的相关因素,并着重指出了此图的不足,分析了口译过程中其它有助理解的因素,在此基础上提出了一个更为完善的假想模式图。论述过程中穿插了有力例证,望给译员的提高以启示。 This article starts with spontaneity and fleetingness in spoken English, illustrating the importance of understanding in interpreting. This paper analyzes the relevant factors embodied in Massaro’s hypothetical schema diagram, emphasizes the insufficiency of this diagram, analyzes other factors that help to understand in interpreting process, and proposes a more complete hypothetical schema diagram. In the process of discussion, interspersed with powerful examples, hope to enhance the translators to enlightenment.