insouciant
🇺🇸
/ɪnˈsuːsiənt/
🇬🇧
/ɪnˈsuːsiənt/
Calm and relaxed, not worried or concerned about anything.
Despite the storm, she remained insouciant and continued her work.
儘管有暴風雨,她依然無憂無慮地繼續她的工作。