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Jyutping caa1 tin1 caa1 dei6
Pinyin chà tiān chà dì

Definitions (Wiktionary)
  1. phrase, Xiamen, Zhangzhou-Hokkien, idiomatic
    to be poles apart; to be like night and day; to be a world of difference between them
    (syn.) 天壤之别, 天壤之別, 差天共地