People often speak in joyous tones when they use caterpillars pupating as a metaphor for life's sublime transformations. But when most people see real caterpillars "in the flesh," they are apt to shudder involuntarily and grimace with disgust.
人們慣常帶著喜悅的聲調，以毛毛蟲脫蛹而出比喻生命的蛻變、昇華，但大部份人真見了毛毛蟲，又多少不由自主打個寒顫、露出噁心表情。