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Jyutping sei2 sam1 bat1 sik1
Pinyin sǐ xīn bù xī

Definitions (CC-CANTO)
  1. the spirit of never giving up; refusing to give up
Definitions (粵典–words.hk)
  1. 語句
    即使​失敗​仍然​繼續​嘗試
    to refuse to give up; to keep on trying even when one fails
    • 既然佢都唔睬你,你就唔好死心不息咁揾佢喇。
      既然佢都唔睬你,你就唔好死心不息咁揾佢喇。
      gei3 jin4 keoi5 dou1 m4 coi2 nei5, nei5 zau6 m4 hou2 sei2 sam1 bat1 sik1 gam2 wan2 keoi5 laa3.
      Now that he ignores you, you should not keep on finding him.
Examples (粵典–words.hk)
  1. Cantonese
    死心不息
    死心不息
    sei2 sam1 bat1 sik1
    • to refuse to give up; to keep on trying even when one fails
  2. Cantonese
    既然佢都唔睬你,你就唔好死心不息咁揾佢喇。
    既然佢都唔睬你,你就唔好死心不息咁揾佢喇。
    gei3 jin4 keoi5 dou1 m4 coi2 nei5, nei5 zau6 m4 hou2 sei2 sam1 bat1 sik1 gam2 wan2 keoi5 laa3.
    • Now that he ignores you, you should not keep on finding him.