extended metaphor

基本解释

The extended moral metaphor in ocean culture is also the motif of profound moral integrity in the Chinese traditional culture.
“比德于海”同样是中国传统文化中具有深刻道德内涵的母题。
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Through the study, the author has found: (1) Senses of the polysemous animal lexemes are extended through conceptual metaphor, conceptual metonymy and grammatical metonymy;
研究发现：（1）多义动物词项以词汇隐喻，词汇转喻以及语法转喻等认知机制实现意义引申；
The use of metaphor is pervasive in all forms of discourse, and this trend will be extended in the future. Metaphor has been regarded as an important topic in ergonomics.
关于隐喻的研究和应用在各个领域都有体现，并且呈现日趋增多的趋势，迄今隐喻已经成为工业心理学研究的一项重要课题。

In a quite extended metaphor, it reminds me of gay marriage opponents arguing that just because more people get to be married, it somehow invalidates their own commitments.
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