I can't start the car. I don't know what the problem is. 我的车发动不起来了。不知道出了什么问题。

　　My wife wants to start a family this year. 我老婆想在今年怀上孩子。

　　Did you start a fight in the bar yesterday? 你昨天在酒吧打架了？

　　I'm eager to start my vacation.  我很希望赶紧去度假。

　　Where are you going? 你要去哪？