唔理三七二十一 (m4 lei5 saam1 cat1 ji6 sap6 jat1) — no matter what; regardless of consequences; cast all caution to the wind in Cantonese
mˎ₄唔leiˏ₅理saamˉ¹三catˉ¹七jiˍ₆二sapˍ₆十jatˉ¹一Mandarin Pinyin: wu2 li3 san1 qi1 er4 shi2 yi1
Meaning of 唔理三七二十一
nounno matter what; regardless of consequences; cast all caution to the wind
nounnever mind three times seven makes twenty-one