adjective 下载 🔗分享 心不在焉,漫不经心。 Of or pertaining to lack of attention; not paying attention; careless. Examples : "He was inattentive in class and did not do well in his exams." 他上课心不在焉,所以考试没考好。 mind attitude character human 与AI对话词汇游戏阅读练习