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Jyutping zung1 gwok3 tung1
Pinyin zhōng guó tōng

Definitions (CC-CEDICT)
  1. China watcher
  2. an expert on China
  3. an old China hand
Definitions (Wiktionary)
  1. noun
    expert on all things Chinese; China hand
    (syn.) 支那通
Examples (粵典–words.hk)
  1. Cantonese
    中国通
    中國通
    zung1 gwok3 tung1
    • an expert on China affairs
Examples (Wiktionary)
  1. Mandarin
    中国通
    中國通
    zhōng guó tōng
    • one who knows China very much