“泼脏水”，字面意思“splash dirty water”，泛指对人造谣污蔑，刻意中伤（slander），常用表达如“朝某人泼脏水”，与英文习语“hurl/throw/sling mud at somebody”意思相近，表示“to say insulting or unfair things about someone, especially to try to damage their reputation”。
例句：
为了诋毁她的名誉，有人不停地往她身上泼脏水。 Someone has kept throwing mud at her in order to vilify her reputation.
他是那种当面胁肩谄笑，背地里泼脏水的人。 He was the kind of person who would flatter you to your face, and then slander you behind your back.
Editor: Jade
来源：chinadaily.com.cn
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