A back injury prevented active participation in any sports for a while.

　　背傷曾一度妨礙積極參加任何體育運(yùn)動(dòng)。

　　I think you'd better lay off fatty foods for a while.

　　我認(rèn)為你最好暫時(shí)別吃高脂食物。

　　Go and lie down for a while.

　　去躺一會(huì)兒吧。

　　We're going to be minus a car for a while.

　　我們要過(guò)一段沒(méi)有車(chē)的日子。

　　Come and sit down and take the weight off your feet for a while.

　　來(lái)坐下歇一會(huì)兒吧。