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Jyutping sei2 si6
Pinyin sǐ shì

Definitions (粵典–words.hk)
  1. 名詞
    受過​特別​訓練​,​唔​怕死​嘅​人​,​通常​負責​執行​殺​人​、​保護​工作
    suicide squads; dare-to-die troops
  2. 名詞
    引伸​指​完全​唔​怕後果​,​好​勇敢​去​做​一件​事​嘅​人
    a brave person willing to do something, without fear of consequences
    • 我今晚去做死士去食明將壽司。
      我今晚去做死士去食明将寿司。
      Though the food tastes awfully bad at Ming General Japanese Sushi Restaurant, I still want to risk eating them tonight.
Definitions (Wiktionary)
  1. noun, literary
    man of sacrifice

死士 [--]

Jyutping
Pinyin sǐ shì

Definitions (CC-CEDICT)
  1. person willing to sacrifice his life (for a good cause)
Examples (粵典–words.hk)
  1. Cantonese
    我今晚去做死士去食明将寿司。
    我今晚去做死士去食明將壽司。
    • Though the food tastes awfully bad at Ming General Japanese Sushi Restaurant, I still want to risk eating them tonight.