会话中「だから」用法的功能扩张
The Functional Expansion of the Usage of「Dakara」in Dialogue

教科书上只表明「だから」是表示因果关系的连接词。但在实际的对话中，「だから」有时会在通常用法的基础上，进行功能上的扩张，获得了可以表示话者发话态度的功能，被灵活地运用于各类场景中。本文将在参考先行研究的基础上，总结会话中「だから」的用法，同时对「だから」中蕴含的发话态度进行讨论说明。
The textbook only states that「Dakara」is a causal conjunction. However, in real conversations,「Dakara」is sometimes used in a variety of situations flexibly by expanding its function on the basis of its usual usage and acquiring the function of expressing the speaker’s speaking attitude, and is applied flexibly in many situations. On the basis of previous research, this paper will sum-marize the usage of 「Dakara」in dialogue and discuss the speaking attitude implied in「Dakara」.