已经固定化的词义内容以及人们对词义的掌握共同形成了意义的“围城” ,修辞就是“突围”的策略。修辞使词义超越现有的规定性 ,实现在动态中的超常规变体。修辞与词义发展具有“同构”与“互动”的关系。在言语活动中被重复使用、广泛接受的修辞词义变体可以进入词义发展演变的范畴 ,从而引发词义的修辞引申 The fixed semantic content and people’s mastery of meaning together form the “encircled city” of meaning, and rhetoric is the strategy of “breaking through”. Rhetoric makes sense of meaning beyond existing prescriptiveness to achieve an unconventional variation in the dynamics. Rhetoric and lexical development have the relationship of “same structure” and “interaction”. In the speech activity is reused, the widely accepted rhetorical variants can enter the evolvement of the development of the meaning of the word, thus triggering the rhetorical extension of the meaning