1. 漫不经心的：insouciance 漫不经心 | insouciant 漫不经心的 | inspan 套轭于

2. 字面是无忧无虑的：endearing:字面是招人喜爱的. | insouciant:字面是无忧无虑的. | excellent:字面是优异的.

3. insouciant

3. 无忧无虑的：invective 谩骂 | insouciant 无忧无虑的 | pertinacious 顽固的 固执的

4.

4. 漫不经心的 无忧无虑的：grimace 鬼脸 面部的扭曲 | insouciant 漫不经心的 无忧无虑的 | pertinacious 固执的 顽固的

1. 漠不关心的;漫不经心的
    An insouciant action or quality shows someone''s lack of concern about something which they might be expected to take more seriously.

insouciant是什么意思

    e.g. Programme-makers seem irresponsibly insouciant about churning out violence.
           编程者似乎对大批量制造含暴力因素的产品处之漠然，毫无责任心。

1. marked by blithe unconcern

    e.g. an ability to interest casual students
           showed a casual disregard for cold weather
           an utterly insouciant financial policy
           an elegantly insouciant manner
           drove his car with nonchalant abandon
           was polite in a teasing nonchalant manner

    Synonym: casualnonchalant