一个生动形象的比喻，能把复杂的问题简单化，深涩的问题浅显化，抽象的问题具体化。在论辩中，一个通俗贴切的比喻，它既准确地表达了自己的语意，又给对方以讽刺，同时也给对手增加了难题，因为对手在反驳你的论题时，还得反驳你的比喻，而比喻在此起到“两难”作用。因为比 A vivid image of the metaphor, can simplify the complex issues, deep-seated shallow questions, abstract problems specific. In the argument, a popular metaphor, which accurately expresses his own sentiments, gives irony to each other and raises questions for the opponent as the opponent refutes your metaphor when disproving your thesis, The metaphor here played a “dilemma” role. Because than