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Jyutping gung6 tung1 jyu5
Pinyin gòng tōng yǔ

Definitions (Wiktionary)
  1. noun
    common language; lingua franca
    (syn.) 共同語, 通用语, 通用語, 共同语, 交际语, 交際語, 共同語言, 共同语言
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    秘鲁的共通语言是什么?
    秘魯的共通語言是什麼?
    bì lǔ de gòng tōng yǔ yán shì shén me ?
    • What is the common language in Peru?
Examples (粵典–words.hk)
  1. Cantonese
    佢哋嗜好唔同,缺乏共通语言。
    佢哋嗜好唔同,缺乏共通語言。
    keoi5 dei6 si3 hou3 m4 tung4, kyut3 fat6 gung6 tung1 jyu5 jin4.
    • They have different hobbies and thus lack common topics.