B2 adjective /ˈkeər.friː/
Carefree
无忧无虑; 轻松愉快;
Meaning
free from anxiety or responsibility; lighthearted; worry-free
Example
She lived a carefree life, traveling the world without any worries.
她过着无忧无虑的生活,环游世界没有任何担忧。