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Jyutping bat1 zyut6
Pinyin bù chuò

Definitions (Wiktionary)
  1. verb, formal
    to be continuous; to be unceasing; to be ceaseless; to be unending; to be uninterrupted

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Jyutping bat1 zyut3
Pinyin bù chuò

Definitions (CC-CEDICT)
  1. incessant
  2. relentless
Examples (粵典–words.hk)
  1. Cantonese
    不辍
    不輟
    bat1 zyut6
    • not to stop or cease