[不管三七二十一, bù guǎn sān qī èr shí yī, ㄅㄨˋ ㄍㄨㄢˇ ㄙㄢ ㄑㄧ ㄦˋ ㄕˊ ㄧ]regardless of the consequences; recklessly relying on a hopelessly optimistic forecast#60678[Add to Longdo]
[のうてんき(能天気;能転気;脳天気);ノーてんき(ノー天気), noutenki ( nou tenki ; nou ten ki ; noutenki ); no-tenki ( no-tenki )](adj-na) optimistic; thoughtless; insolent[Add to Longdo]