adj.漠不关心的，漫不经心的

He wandered through the garden with an insouciant smile, seemingly unbothered by the world's troubles.
他带着漫不经心的笑容在花园里闲逛，似乎对世间的烦恼毫不在意。
Her carefree attitude made her an insouciant presence at the formal event.
她在正式场合上的漫不经心的态度令人印象深刻。
The insouciant cat stretched lazily in the sun, completely oblivious to its owner's concerns.
那只懒散的猫在阳光下慵懒地伸展，完全不理会主人的忧虑。
His insouciant response to the crisis showed a lack of seriousness or concern.
他对危机的漫不经心反应显示出缺乏严肃性和关心。
She wore an insouciant expression as she casually dismissed the criticism.
她面带轻松的表情，随意地否定了批评。
The insouciant teenager shrugged off his teacher's lecture with a smirk.
那个满不在乎的少年对老师的训斥报以轻蔑的微笑。
In the face of danger, he maintained an insouciant calm that impressed everyone around him.
面对危险，他保持着一种从容不迫的漫不经心，令周围的人赞叹不已。
Her insouciant approach to life often led to unexpected adventures.
她对生活的漫不经心常常带来意想不到的冒险。
Despite the chaos around him, the CEO maintained an insouciant composure, directing operations with ease.
尽管四周一片混乱，CEO仍保持着漫不经心的冷静，轻松地指挥着各项事务。
The insouciant artist seemed to paint without a thought, creating masterpieces effortlessly.
这位漫不经心的艺术家似乎无需思考就能创作出杰作。