When you assume a devil-may-care attitude in doing something, you actually don’t care about the consequences and do whatever to your hearts’ content. devil-may-care作为形容词，用来形容做事情随心所欲，为所欲为的状态。另一个类似的短语为happy-go-lucky。

Examples:

A shopping spree denotes a playful and “devil may care” attitude in a single shopping trip where lots of money is spent. 所谓疯狂购物就是在购物时带着轻松且无所顾忌的态度，花去一大笔钱。

Please assume a devil-may-care attitude in the games. Just for fun! 抱着轻松的态度参加游戏吧。只是为了开心而已。