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Jyutping bat1 gun2 bat1 gu3
Pinyin bù guǎn bù gù

Definitions (Wiktionary)
  1. phrase, idiomatic
    to not take care of
  2. phrase, idiomatic
    recklessly
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

不管不顧 [---顾]

Jyutping
Pinyin bù guǎn bù gù

Definitions (CC-CEDICT)
  1. to pay scant regard to (sth)
  2. unheeding
  3. reckless