What in the world did they think they were doing?
他们到底认为自己在做什么？
A change of job would do you the world of good.
换一下工作会对你大有好处。
Is this your plan for making your way in the world?
这就是你要出人头地的计划吗？
Parents are the most important people in a child's world.
父母在儿童的天地里是最重要的人。
It's the best job in the whole wide world.
这是整个大千世界中最好的工作。