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Jyutping sei2 fun2
Pinyin sǐ kuǎn

Definitions (粵典–words.hk)
  1. 名詞
    對人​外貌​嘅​輕​蔑​,​用​嚟​話​人​嘅​外貌​好差
    bad looking, ugly looking (appearance, clothes, etc.)
  2. 名詞
    懶可憐
    arousing pity, often in a disapproving way
  3. 參看
    屎款

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Jyutping si2 fun2
Pinyin sǐ kuǎn

Definitions (粵典–words.hk)
  1. 名詞
    對人​外貌​嘅​輕​蔑​,​用​嚟​話​人​嘅​外貌​好差
    bad looking, ugly looking (appearance, clothes, etc.)
  2. 名詞
    懶可憐
    arousing pity, often in a disapproving way
  3. 參看
    屎款
Examples (粵典–words.hk)
  1. Cantonese
    我部钱七咁嘅死款,应该冇人会偷啩。
    我部錢七咁嘅死款,應該冇人會偷啩。
    ngo5 bou6 cin4 cat1 gam2 ge3 sei2 fun2, jing1 goi1 mou5 jan4 wui5 tau1 gwaa3.
    • With such a unflattering look, my old car should be safe from theft.