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Jyutping gwaan1 nei5 pei3 si6
Pinyin guān nǐ pì shì

Definitions (CC-CEDICT)
  1. (coll.) None of your goddamn business!
  2. Mind your own business!
Definitions (CC-CANTO)
  1. mind your own damn business [colloquial]
Examples (Wiktionary)
  1. Mandarin
    甲:你的薪水高吗?乙:这关你屁事。
    甲:你的薪水高嗎?乙:這關你屁事。
    jiǎ : nǐ de xīn shuǐ gāo ma ? yǐ : zhè guān nǐ pì shì .
    • A: Do you have a big salary? B: What the hell is it to you?