adj.无忧无虑的；轻松愉快的；不在意的
She daydreamed about a carefree holiday abroad. 她幻想到国外过一个无忧无虑的假期。
The carefree childhood became a thing of the past. 无忧无虑的童年已经是过去时了。
We all felt carefree after the exams. 考试後我们大家都感到轻松愉快。
He's a carefree fellow who bears his responsibilities lightly. 他是个满不在意不大负责的人。
