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Jyutping cai4 tau4 bing6 zeon3
Pinyin qí tóu bìng jìn

Definitions (CC-CEDICT)
  1. to go forward together (idiom); to undertake simultaneous tasks
  2. going hand in hand
Definitions (粵典–words.hk)
  1. 動詞
    同時​進行​幾樣​工作
    to multi-task; to do different things simultaneously
    • 齊頭並進未必保證效率高。
      齐头并进未必保证效率高。
      cai4 tau4 bing6 zeon3 mei6 bit1 bou2 zing3 haau6 leot2 gou1.
      Multi-tasking may not guarantee high efficiency.
Definitions (Wiktionary)
  1. phrase, idiomatic
    to go on or advance simultaneously; to do two or more things at once
Examples (粵典–words.hk)
  1. Cantonese
    齐头并进未必保证效率高。
    齊頭並進未必保證效率高。
    cai4 tau4 bing6 zeon3 mei6 bit1 bou2 zing3 haau6 leot2 gou1.
    • Multi-tasking may not guarantee high efficiency.