沈砺《咏史》;“渭浊泾清本异流,当涂符谶趁时收。”
泾渭分明
The difference is as distinct as that between night and day.
成语解释:泾水清,渭水浊。用以比喻事物和人品的差别。常用程度:一般感情色彩:褒义词语法用法:作宾语、定语;用于比喻句成语结构:联合式产生年代:现代
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