insouciance
insouciance[ɪnˈsuːsɪəns]noun- [mass noun]casual lack of concern; indifference
漫不经心;漠不关心
an impression of boyish insouciance.
男孩子般无忧无虑的印象。
派生insouciantadjectiveinsouciantlyadverb语源- late 18th cent.: French, from insouciant, from in- 'not' + souciant 'worrying' (present participle of soucier)
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