devil-may-care

形容词 devil-may-care:

1. cheerfully irresponsible
   同义词：carefree, freewheeling, happy-go-lucky, harum-scarum, slaphappy
2. marked by a carefree unconventionality or disreputableness- Crary Moore
   同义词：raffish, rakish

dev.il-may-care

adj.（形容词）
Heedless of caution; reckless.
粗心的：把警告当作耳旁风；粗心大意的
Jovial and rakish in manner.
快活的、不拘小节的风格