ca·su·al['kæʒjuəl] ca·su·al
adj. 偶然的，随便的，非正式，漫不经心的
例句与用法：Such casual dress would not be correct for a formal occasion.
这样的便服不宜在正式的场合穿。
He likes casual attires.
他喜欢休闲服装。
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。
John is a casual; he can't find a proper job anywhere.
约翰是个临时工，他到处找不到正式工作。
She is casual about winning the prize.
她对获奖漫不经心。