casual

a casual manner.漫不经心的态度

His eyes were angry, though he sounded casual..虽然他的语气满不在乎，但他的眼神充满怒气。

Marsha was quite casual about appearing on TV..玛莎对于上电视很无所谓。

a casual conversation.随便的谈话

He made some casual remark (= one without thinking much about it ) about her holiday..他随口提到了她度假的事。

平常的(usual)时候可以穿非正式的(casual)服装记忆

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

真题例句...when fast-food companies picked up customers who could no longer afford to eat at casual restaurants...第一套CET42015.6阅读理解

真题例句...The author felt as a boy that his life in a separated neighborhood was casual and cozy...第三套CET42014.12阅读理解