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Jyutping pei3 si6
Pinyin pì shì

Definitions (CC-CEDICT)
  1. (vulgar) trifling matter
  2. mere trifle
  3. goddamn thing
  4. goddamn business
Definitions (Wiktionary)
  1. noun, colloquial, derogatory, vulgar
    trivial thing; trifle
  2. noun, colloquial, derogatory, vulgar
    goddamn thing; (none of someone's) goddamn business; to have damn all to do with someone
Examples (Wiktionary)
  1. Mandarin
    关我屁事!
    關我屁事!
    guān wǒ pì shì !
    • Like I give a damn!
  2. Mandarin
    屁事
    屁事
    pì shì
    • trivial thing
  3. 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?