Definition
In a state of not being worried or troubled by anything.
无忧无虑
After quitting her job, she began traveling the world, living without a care in the world.
辞职后，她开始环游世界，无忧无虑地生活。
The children played on the beach, enjoying the sunshine without a care in the world.
孩子们在沙滩上玩耍，无忧无虑地享受阳光。
Since he retired, he spends his days fishing and reading, living without a care in the world.
退休后，他每天钓鱼和阅读，过着无忧无虑的生活。