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Jyutping tin1 man4 sou3 zi6
Pinyin tiān wén shù zì

Definitions (粵典–words.hk)
  1. 名詞
    好​大​嘅​數​字​(​量​詞​:​個​)
    huge number, literally: astronomical figure
    • 李嘉誠副身家係天文數字。
      李嘉诚副身家系天文数字。
      lei5 gaa1 sing4 fu3 san1 gaa1 hai6 tin1 man4 sou3 zi6.
      The asset of Li Ka Shing is an astronomical figure.
Definitions (Wiktionary)
  1. noun
    astronomical number; a very large number
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    天文数字
    天文數字
    tin1 man4 sou3 zi6
    • astronomical figure
  2. Cantonese
    李嘉诚副身家系天文数字。
    李嘉誠副身家係天文數字。
    lei5 gaa1 sing4 fu3 san1 gaa1 hai6 tin1 man4 sou3 zi6.
    • The asset of Li Ka Shing is an astronomical figure.