carefree ·adjective
Definition: without any worries or problems Level: C2
他经常回忆起他无忧无虑的童年时光。
He often recalls his ___carefree childhood days.
这让她想起了他们遥远、无忧无虑的青春时光，那时他们精力充沛、健康且充满希望。
It reminded her of their far-away, ___carefree youth when they were energetic, healthy and full of hope.
在乡村过着无忧无虑的生活是她的终极梦想。
Living a ___carefree life in the countryside was her ultimate dream.