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Jyutping sik6 seoi2
Pinyin shí shuǐ

Definitions (Wiktionary)
  1. verb, Cantonese
    to lose money; to make a loss

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Jyutping sit6 seoi2
Pinyin shí shuǐ

Definitions (粵典–words.hk)
  1. 動詞
    損失​金錢
    to lose money
    • 佢每次過大海 都蝕水。
      佢每次过大海 都蚀水。
      keoi5 mui5 ci3 gwo3 daai6 hoi2 dou1 sit3 seoi2.
      He loses money every time he goes to gamble in Macau.
  2. 動詞
    做​咗​個​蝕​錢​嘅​交易
    to make an obviously bad deal
    • 我用兩千蚊買咗個手機,點知原來間舖淨係賣千五蚊,今次真係蝕晒水喇!
      我用两千蚊买咗个手机,点知原来间舖净系卖千五蚊,今次真系蚀晒水喇!
      I spent two thousand dollars on the phone, then found out that the store downstairs only sells it for fifteen hundred. I'm so out of money now!

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Jyutping sit6 seoi2
Pinyin shí shuǐ

Definitions (CC-CANTO)
  1. to lose money
Examples (粵典–words.hk)
  1. Cantonese
    佢每次过大海 都蚀水。
    佢每次過大海 都蝕水。
    keoi5 mui5 ci3 gwo3 daai6 hoi2 dou1 sit3 seoi2.
    • He loses money every time he goes to gamble in Macau.