视觉、听觉、嗅觉、味觉和触觉这五种感觉，是人们认识外部世界的主要途径。失去其中任何一种，人类感知世界的能力无疑将要大打折扣。丰富多彩的生活离不开健全的感觉能力。也许正因为如此，日常语言中与感觉有关的生动比喻才比比皆是。例如，人们说敏感的人容易’哆愁善感“； The five senses of sight, hearing, smell, taste and touch are the main ways people know the outside world. The loss of any one of them, the ability of human perception of the world will undoubtedly be greatly reduced. Colorful life is inseparable from the perfect sense of ability. Perhaps because of this, vivid metaphors of sensations in everyday language are commonplace. For example, people say sensitive people tend to be ”relentless";