Now, turn off the TV at once and do your homework.
现在立刻关掉电视去做作业。
The jet began to turn off the main runway.
那架喷气式飞机开始拐出主跑道。
Objects like this turn up at sales with surprising frequency.
这样的东西在拍卖会上出人意料地频繁出现。
We are working on the assumption that everyone invited will turn up.
我们假定了每一个人都会应邀出席并正就此作出安排。
The weather got so bad that we had to turn back.
天气变得非常恶劣，我们不得不循原路折回。
His group was forced to turn back and take an alternate route.
他的小组被迫返回并选择了另一条路线。