泾水清,渭水浊。用以比喻事物和人品的差别。
沈砺《咏史》;“渭浊泾清本异流,当涂符谶趁时收。”
渭浊泾清作宾语、定语;用于比喻句。
英语:The difference is as distinct as that between night and day.
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