BBC news 2010-03-28 加文本

hang over挂在...上,伸出,笼罩,威胁

例句：Dense palls of smoke hung over the site.
      浓密的烟幕罩着这个地方。

2.The NATO Secretary General Anders Fogh Rasmussen has urged the alliance to push ahead with construction of a missile defense system and extended to Russia as well.

push ahead with推动,推进

例句：Whatever happens, we must push ahead with our plans to increase production.
      不论发生什么情况，我们都必须继续完成增产计划。

3.He drew attention to Iran’s nuclear missile programs as a case in point.

a case in point佐证,恰当的例子

例句：Grain collection eastern Sichuan, for instance, is a case in point. 
      拿川东的征粮来说，就有这种情况。

4.The choice of Searchlight as the place to kick off a nationwide tour aimed at defeating democrats who have supported President Obama's health care reforms is intentional.

kick off(使)开始

例句：When should we kick off?
      我们什么时候开始?

      It might be a good idea to kick off with a few folk songs.
      一开始就来几支民歌可能是个好主意。