“清”是一种重要而且常见的审美范畴。“清新、清真、清雅、清拔”简称为文章“四清”。清新者,指文章自然、流丽、轻快,不乏新鲜之感。明代的杨慎对“清新”还专门做了笺释:“清者,流丽不滞浊;新者,创新而不陈言也。”清新有时也指在句法和遣词造句上的不落窠臼。当然,“清新”更多地用在对文章整体风格的品评。清真,指作品不杂染、不做作、不矫情,讲究朴素、淳正和本真。章学诚在《与邵三云》中说:“作诗文律,不外乎清真二字。清则气不杂也,真则理无支也。此二语知之甚易,能之难也。”清雅主要指下笔清正高雅,不沾俗气。它较多地 “Clear ” is an important and common aesthetic category. “Fresh, halal, elegant, clear pull ” referred to as the article “four clear ”. Fresh, refers to the article of natural, beautiful, light, there is no shortage of fresh feeling. The Ming Dynasty Yang Shen on “fresh ” also made a special explanation: “Qing, flowery not stagnant; new, innovative and not rhetorical. ” Refresh sometimes also refers to the syntax and the wording Fall mortar. Of course, “Fresh ” is more used in the overall style of the article reviews. Halal, refers to the work is not dirty, not contrived, not hypocritical, simple, honest and true. Zhang Xuecheng in “and Shao San Yun” said: “Poetry and writing law, no more than the halal word. Qingzhengqi is not complicated, really unreasonable .This second language is very easy to know, can be difficult.” "Elegant mainly refers to the pen clear and elegant, not tacky. It is more