《水浒传》里有许多反面人物，王伦是着墨最少，却是很成功的一个负面典型。他的外号为“白衣秀士”，其实这四个字的原义，指尚未及弟的士子，从字面推敲，本无贬义。但经《水浒传》一用，就成了带有否定意义的专属词汇。从此，这个词一是专指《水浒传》中的王伦，二是泛指类 “Water Margin” there are many negative people, Wang Lun is the least ink, but it is a very successful negative example. His nickname is “Whitetail”, in fact, the original meaning of these four words, refers to not yet younger brother’s scholar, literally, no derogatory. However, by the “Outlaws of the Marsh” a use, it has become the exclusive vocabulary with a negative meaning. Since then, the word one specifically refers to “Outlaws of the Marsh” in Wang Lun, the second refers to the category