[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]无忧无虑的;毫无牵挂的 A carefree person or period of time doesn't have or involve any problems, worries, or responsibilities.
[usu ADJ n]
They certainly gave the impression of a carefree couple who delighted in each other's company...
他们让人明显感觉是一对无牵无挂只求长相厮守的夫妻。
Chantal remembered carefree past summers at the beach.
钱特尔记起了从前在海滩上度过的无忧无虑的夏日时光。
Oxford
care·free/ˈkeəfriː; NAmEˈkerfriː/adjectivehaving no worries or responsibilities 无忧无虑的;无牵挂的;无责任的◆He looked happy and carefree.他看起来轻松愉快。◆a carefree attitude/life轻松自在的态度;无忧无虑的生活care·free/ˈkeəfriː; NAmEˈkerfriː/