A back injury prevented active participation in any sports for a while.
背伤曾一度妨碍积极参加任何体育运动。
I think you'd better lay off fatty foods for a while.
我认为你最好暂时别吃高脂食物。
Go and lie down for a while.
去躺一会儿吧。
We're going to be minus a car for a while.
我们要过一段没有车的日子。
Come and sit down and take the weight off your feet for a while.
来坐下歇一会儿吧。