一ㄧyī清ㄑㄧㄥqīng如ㄖㄨˊrú水ㄕㄨㄟˇshuǐ

  1. 比喻官吏十分清廉。亦指吏治清明。《初刻拍案驚奇·卷二○》：「況且一清如水，俸資之外，毫不苟取，那有錢財夤緣？」《西湖佳話·葛嶺仙跡》：「葛洪到任即薄賦減刑，寬徭息訟，不消兩月，治就一清如水。」

英lit. as clear as water (idiom)​, fig. (of officials etc)​ honest and incorruptible