carefree

形容词 carefree:

1. free of trouble and worry and care
   同义词：unworried
2. cheerfully irresponsible
   同义词：devil-may-care, freewheeling, happy-go-lucky, harum-scarum, slaphappy

1. He's a carefree fellow who bears his responsibilities lightly.
   他是个满不在意不大负责的人。
2. The music of this song sent her carefree and joyous.
   这支歌的乐曲使她心旷神怡。
3. Having no commitments or restrictions; carefree.
   随心所欲的无义务或约束的; 无忧无虑的
4. Carefree and nonchalant; jaunty.
   无忧无虑的无忧无虑的和不关心的; 快活的
5. Carefree and lighthearted.
   无忧无虑的，轻松的

care.free

adj.（形容词）
Free of worries and responsibilities.
无忧无虑的或不负责任的