BBC news 2010-04-20 加文本

come into effect(文件、合同）生效

例句：The contract will come into effect upon signature.
      此合同将在签字后生效。

2.The two men were reportedly tracked down by an intelligence team west of Baghdad and their hideout destroyed by missiles.

track down追捕到, 追查出

例句：All citizens should help the police in tracking the criminals down.
      所有市民都应该帮助警察追捕罪犯。

      It was not long before I tracked down the lost watch.
      不久我就找到了遗失的表。

3. In short, the Iraqis have taken the lead in securing Iraq and its citizens by taking out both of these individuals.

take the lead占主要地位, 领先, 带头

例句：Japan has taken the lead in car production.
      日本在汽车生产中居首位。

      They took the lead in conducting the experiments.
      他们带头做试验。

in short简而言之, 总之

例句：In short, we must be prepared.
      总而言之, 我们要有准备。

4.In the letter, the cardinal says the presence of so many priests in St Peter's Square will be a good way to show that they haven't been intimidated, as he put it, by the crimes committed by a few of their fellow clergy.

as he put it插入语

用简短的句子结构作插入语。这类短语有:I think, I hope, I guess, I believe, I suppose, I wonder, I tell you, I say, I'm afraid, I'm sure, you see, you know, as you know, that is, that is to say, what's more等等,它们可以置于句中或句尾。如:
    I suggest you choose someone who you think is kind and friendly.
    This diet, I think, will do good to your health.
    It won't be raining long, I hope.
    You will have to work harder, you know, if you want to succeed.