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Jyutping sei2 sei2 haak3
Pinyin sǐ sǐ xià

Definitions (Wiktionary)
  1. adj, Cantonese
    weak; exhausted; fatigued

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Jyutping sei2 sei2 haa5
Pinyin sǐ sǐ xià

Definitions (粵典–words.hk)
  1. x

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Jyutping sei2 sei2 haa2
Pinyin sǐ sǐ xià

Definitions (CC-CANTO)
  1. (adjective) struggling; suffering; moribund
Definitions (Kaifangcidian)
  1. 無精打采 – 无精打采
  2. 沒有生氣 – 没有生气
  3. 要命
  4. 夠戧 – 够戗
  5. 半死