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Jyutping ngoi6 sang1
Pinyin wài sheng

Definitions (Wiktionary)
  1. noun
    sororal nephew (sister's son)
  2. noun, dialectal
    grandson (daughter's son)

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Jyutping ngoi6 saang1
Pinyin wài shēng

Definitions (粵典–words.hk)
  1. 名詞
    男人​嘅​家​姐​或​細​妹​嘅​仔​女​(​量​詞​:​個​)
    nephew or niece;
    • 外甥多似舅
      外甥多似舅
      ngoi6 sang1 do1 ci5 kau3
      A man and his nephew are often very similar.
    • 外甥仔
      外甥仔
      ngoi6 sang1 zai2
      nephew; son of a man's sister
    • 外甥女
      外甥女
      ngoi6 sang1 neoi2
      niece; daughter of a man's sister
  2. 近義詞
    侄、姨甥、姪
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

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Jyutping ngoi6 sang1
Pinyin wài shēng

Definitions (CC-CEDICT)
  1. sister's son
  2. wife's sibling's son
Definitions (粵典–words.hk)
  1. 名詞
    男人​嘅​家​姐​或​細​妹​嘅​仔​女​(​量​詞​:​個​)
    nephew or niece;
    • 外甥多似舅
      外甥多似舅
      ngoi6 sang1 do1 ci5 kau3
      A man and his nephew are often very similar.
    • 外甥仔
      外甥仔
      ngoi6 sang1 zai2
      nephew; son of a man's sister
    • 外甥女
      外甥女
      ngoi6 sang1 neoi2
      niece; daughter of a man's sister
  2. 近義詞
    侄、姨甥、姪
Definitions (Wiktionary)
  1. noun
    sororal nephew (sister's son)
  2. noun, dialectal
    grandson (daughter's son)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    外甥是兄弟或姐妹的儿子。
    外甥是兄弟或姐妹的兒子。
    wài shēng shì xiōng dì huò jiě mèi de ér zi 。
    • A nephew is a son of one's brother or sister.
  2. Mandarin
    我有两个外甥女。
    我有兩個外甥女。
    wǒ yǒu liǎng gè wài sheng nǚ 。
    • I have two nieces.
Examples (粵典–words.hk)
  1. Cantonese
    外甥多似舅
    外甥多似舅
    ngoi6 sang1 do1 ci5 kau3
    • A man and his nephew are often very similar.
  2. Cantonese
    外甥仔
    外甥仔
    ngoi6 sang1 zai2
    • nephew; son of a man's sister
  3. Cantonese
    外甥女
    外甥女
    ngoi6 sang1 neoi2
    • niece; daughter of a man's sister
  4. Cantonese
    我揾咗我外甥仔帮我做花仔。
    我揾咗我外甥仔幫我做花仔。
    ngo5 wan2 zo2 ngo5 ngoi6 saang1 zai2 bong1 ngo5 zou6 faa1 zai2.
    • I asked my little nephew to be my page boy.