adj.非正式的；漫不经心的；偶然的；临时的；休闲的
n.便装；临时工
He was wearing casual clothes. 他穿着便服。
The plan grew out of a casual conversation. 这个计划出自于一次非正式的谈话。
He sidled past, trying to seem casual. 他悄悄地溜了过去,竭力装作漫不经心的样子。
A casual newspaper reader wouldn't like articles on politics everyday. 不经心的报纸读者不会喜欢每天都有政论文章。
He described himself as a casual acquaintance of the Kennedys'. 他称自己是肯尼迪夫妇的泛泛之交。
n.事故；伤亡者；伤亡人数；急诊室
adv.偶然地；随便地，随意地；漫不经心地；非正式地
n.偶然；无心；随便
