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Jyutping cong1 jing4 bat1 ding1 mou4 fung6 dik1 daan2
Pinyin cāng ying bù dīng wú fèng de dàn

Definitions (Wiktionary)
  1. proverb
    it takes two to tango
    (syn.) 一個巴掌拍不響, 一个巴掌拍不响