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Jyutping bat1 zok3 wai4
Pinyin bù zuò wéi

Definitions (CC-CEDICT)
  1. nonfeasance
  2. omission (law)
Definitions (Wiktionary)
  1. verb, of officials
    to be inactive; to fail to fulfil one's duties
  2. noun
    dereliction of duty; inaction; omission