他们在干什么？他们在扫地吗？

What are they doing? are they sweeping the floor?

苏珊：他们在干什么？

Susan: What are they doing?

后来他才弄明白他们是在干什么：他们在取暖。

Only later did he learn what they were doing: they were getting warm.

他们在干什么呢？听，并把他们的名字写在方框内。

What are they doing Listen and drag the names to the people in the picture.

那些医生在干什么？他们在做手术。

What are the doctors doing?They are doing the operation.

关注孩子是很重要的，需要知道他们在干什么。

It's always important to start with the kids and find out where they're at.

当孩子们下次坐在汽车的驾驶座上的时候，家长们也许就能够很清楚地看到他们在干什么。

The next time your teen gets behind the wheel of a car, parents might be able to see exactly what they do.

约翰。诺里斯肯定中国知道他们在干什么，因为他们的工作地点就位于香港最高峰的山顶，靠着一个巨大的无线电杆。

John Norrish was pretty sure the Chinese knew what was going on given that they were based right on the top of the highest peak in Hong Kong alongside a huge radio mast.

如果没有开设也不要紧，趁这个机会游览一下地方议会或立法机关也是不错的。 同时你也可以了解到他们在工作时间都在干什么。

Even where that is not the case, take the opportunity to tour your local parliament or legislature and to learn more about what happens there during working hours.