n.无忧无虑，漫不经心

She displayed an alarming insouciance about the dangers of her job.
她对工作中的危险表现出令人不安的漠然态度。
His insouciance towards his studies worries his parents.
他对学业的漫不经心让他的父母很担心。
The young socialite moved through the party with effortless insouciance.
这位社交名媛在派对中轻松自如地穿梭，毫不在意。
Despite the approaching deadline, he exhibited a remarkable insouciance.
即使面临截止日期，他仍然表现出惊人的无所谓。
The child's insouciance in the face of danger was both admirable and frightening.
面对危险时，孩子的无畏与淡然是令人钦佩又害怕的。
Her insouciance towards her health eventually led to serious consequences.
她对健康的满不在乎最终导致了严重的后果。
His insouciance towards the environment raised concerns among conservationists.
他对环境的漠不关心引起了环保人士的关注。
With insouciant ease, he solved the complex problem in a matter of minutes.
他轻而易举地在几分钟内解决了这个复杂的问题，毫不费力。
The model's insouciant style has become a fashion statement.
这位模特的随性风格已经成为了一种时尚宣言。
The traveler's insouciance about planning seemed to work in their favor, as they stumbled upon hidden gems along the way.
旅行者对规划的无所谓似乎对他们有利，因为他们意外地发现了沿途的隐藏瑰宝。