本文在对证券词语“套牢”语义扩展进行描写的基础上,对其相关的语义成分、语用特点及其在隐喻认知模式上不同于常规隐喻的原因进行了分析,并对其语义扩展的语言内部原因和外部原因进行了深入探讨,就“套牢”与其他证券词语在认知模式扩展上的差异,从认知的深刻性、出现的高频性、大众普适性、言者的求新求趣性等几个角度进行了论述。 On the basis of describing the semantic expansion of securities words “stuck ”, this paper analyzes the related semantic components, pragmatic features and reasons of their different metaphorical patterns in metaphorical cognition. Extended internal and external causes of the language were discussed in depth, on the “stuck ” and other securities terms in cognitive model expansion differences, from the cognitive depth, the emergence of high frequency, the popularization of the general public, The plea of ​​seeking novelty and other speakers were discussed from several angles.