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Jyutping put3 zong1 seoi2
Pinyin pō zāng shuǐ

Definitions (Wiktionary)
  1. verb, figuratively
    to defame; to slander
    (syn.) 毀謗, 谗害, 诬枉, 赖, 誣陷, 谣诼, 誣枉, 毁谤, 誣蔑, 诬告, 诬害, 誣害, 讒害, 賴, 倚赖, 謠諑, 誣告, 誣捏, 栽贓, 诬蔑, 栽赃, 誹謗, 诬捏, 攻击, 攻擊, 诋毁, 倚賴, 诽谤, 诬陷, 污蔑, 詆毀, 诬赖, 誣賴
  2. verb, literally
    to pour dirty water

潑髒水 [泼脏-]

Jyutping
Pinyin pō zāng shuǐ

Definitions (CC-CEDICT)
  1. to splash dirty water
  2. (fig.) to throw mud at; to smear (sb)
Examples (Wiktionary)
  1. Mandarin
    我听说有人正给重庆“泼脏水”,包括给我本人、给家庭泼脏水,甚至说我儿子在外面学习开“红色法拉利”。一派胡言!我感觉非常气愤,一派胡言!
    我聽説有人正給重慶“潑髒水”,包括給我本人、給家庭潑髒水,甚至説我兒子在外面學習開“紅色法拉利”。一派胡言!我感覺非常氣憤,一派胡言!
    wǒ tīng shuō yǒu rén zhèng gěi chóng qìng “ pō zāng shuǐ ” , bāo kuò gěi wǒ běn rén , gěi jiā tíng pō zāng shuǐ , shèn zhì shuō wǒ ér zǐ zài wài miàn xué xí kāi “ hóng sè fǎ lā lì ” . yī pài hú yán ! wǒ gǎn jiào fēi cháng qì fèn , yī pài hú yán !
    • I've heard that someone is defaming Chongqing, and the targets include me and my family. Someone even says that my son is driving a red Ferrari when studying abroad. That's complete nonsense! I feel very angry! That's complete nonsense!