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Jyutping gu1 neoi5
Pinyin gū nǚ

Definitions (Wiktionary)
  1. noun
    orphan girl
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

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Jyutping gu1 neoi2
Pinyin gū nǚ

Definitions (粵典–words.hk)
  1. 名詞
    指​啊​爸​啊​媽都​死​咗​、​父母​雙​亡​嘅​女​仔
    an orphan girl