CNN news 2011-06-27 加文本

短语讲解：

1. The number of troops that he has announced to be withdrawn this year and the rest, next year, is a sign that Afghanistan is taking over its own security and trying to defend its territory by its own means.

take over接管; 接替
例句：She took over his work after his departure.
他离开以后, 她接替了他的工作。

2. As for the number of troops, we have no opinion on that

as for至于,就...方面说来
例句：As for the cost, that will be very little. 
至于费用，那将是徽不足道的。 

3. The thing is there is nothing we can do about it and once you get over the shock of the situation, you just pick up your feet and you move on.

get over克服; 克制
例句：We had to get over many difficulties.
我们必须克服很多困难。
pick up拾起, 捡起; 抬起
I would have picked it up if I had noticed it.
我如果看见的话, 我早就把它拣起来了。
move on继续前进, 继续进行, 往前走
We talked about these for a while and then moved on to another house.
我们谈了一会儿之后, 就前往另一家去了。

4. You can think of it as all the higher dimension information that's just lost in a regular photograph

think of有…想法, 有…看法
例句：We think of him as representing modern writers.
我们认为他是现代作家的代表。