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Jyutping zoeng2 zi2
Pinyin cháng zi

Definitions (Wiktionary)
  1. noun
    tall person
    (syn.) 高子

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Jyutping zoeng2 zi2
Pinyin cháng zǐ

Definitions (Wiktionary)
  1. name
    Zhangzi (a county of Changzhi, Shanxi, China)

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Jyutping zoeng2 zi2
Pinyin zhǎng zǐ

Definitions (CC-CEDICT)
  1. Zhangzi county in Shanxi 山西[Shan1 xi1]
  2. eldest son
Definitions (粵典–words.hk)
  1. 名詞
    核心家庭​之中​,​年紀​最大​嘅​仔
    eldest son
    • 做長子梗係要獨立同有主見啦。
      做长子梗系要独立同有主见啦。
      zou6 zoeng2 zi2 gang2 hai6 jiu3 duk6 laap6 tung4 jau5 zyu2 gin3 laa1.
      Being the eldest son, one should be independent and have his own point of view.
Definitions (Wiktionary)
  1. noun
    eldest son
  2. noun, rare
    eldest child
  3. name
    Zhangzi (a county of Changzhi, Shanxi, China)
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    你的长子几岁?
    你的長子幾歲?
    nǐ de zhǎng zǐ jǐ suì ?
    • How old is your oldest son?
  2. Mandarin
    他是长子。
    他是長子。
    tā shì zhǎng zǐ 。
    • He's the oldest son.
Examples (粵典–words.hk)
  1. Cantonese
    长子
    長子
    zoeng2 zi2
    • the eldest son
  2. Cantonese
    做长子梗系要独立同有主见啦。
    做長子梗係要獨立同有主見啦。
    zou6 zoeng2 zi2 gang2 hai6 jiu3 duk6 laap6 tung4 jau5 zyu2 gin3 laa1.
    • Being the eldest son, one should be independent and have his own point of view.
  3. Cantonese
    嫡长子
    嫡長子
    dik1 zoeng2 zi2
    • the first son born to the legal wife