[复数]便鞋( casual的名词复数 )；[军事]待命士兵；没有固定工作的劳动者；[英国英语][亦作C-]（穿着休闲服、政治上较偏激的）休闲暴力者
"an ability to interest casual students"; "showed a casual disregard for cold weather"
同义词：insouciantnonchalant
without or seeming to be without plan or method; offhand"a casual remark"; "information collected by casual methods and in their spare time"
suited for everyday use"casual clothes"
同义词：everyday
occurring or appearing or singled out by chance"seek help from casual passers-by"; "a casual meeting"
同义词：accidentalchance(a)
hasty and without attention to detail; not thorough"a casual (or cursory) inspection failed to reveal the house's structural flaws"
同义词：cursorypassing(a)perfunctory
occuring from time to time"casual employment"; "a casual correspondence with a former teacher"
同义词：occasional
characterized by a feeling of irresponsibility"a broken back is nothing to be casual about"; "it is no fooling matter"
同义词：fooling
natural and unstudied"using their Christian names in a casual way"
同义词：free-and-easy
not showing effort or strain"a difficult feat performed with casual mastery"
同义词：effortless
casual wear便装，休闲服
casual clothing休闲装；便服
casual pants休闲裤
business casual商务休闲装；商务便装
casual dress便装；休闲服装
casual sex草率性行为；偶暂式性交；随意性交（指随意选择不同对象进行性交活动）
casual water临时积水区
casual leave事假
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