不管三七二十一 [－－－－－－－]

Jyutping bat1 gun2 saam1 cat1 ji6 sap6 jat1
Pinyin bù guǎn sān qī èr shí yī

Definitions (CC-CEDICT)
  1. regardless of the consequences
  2. recklessly relying on a hopelessly optimistic forecast
Definitions (Wiktionary)
  1. phrase, colloquial, idiomatic
    to cast all caution to the wind and act without thinking of the consequences
    (syn.) 管他三七二十一
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）