BBC news 2010-03-17 加文本

1.The American Secretary of State Hillary Clinton said Washington wanted to insure both sides were fully committed to peace efforts.

be committed to献身于，致力于

例句：Are you ready to be committed to a marriage?
      你做好忠于婚姻的准备了吗？

      Before firing away，be sure you are fully committed to the shot.
      连续射击之前，确定一下你能否射击。

2. He was greeted by hundreds of demonstrators who said his military campaign against drug traffickers was provoking more violence.

was greeted by

greet问候,向…致意;迎接,欢迎。在这一句中，数百名示威者欢迎，迎接他的到来，当然说不同，所以，肯定是说奥巴马将遭遇了数百名示威者。

3.And that is a support that Mr.Calderon can not afford to lose.

can not afford to经受不住，承担不了，can not afford to lose是说绝对不能失去美国的支持，否则将产生很严重的后果。

4. He set out some proposals intended to help employment.

set out着手, 开始

例句：The government has set out to make many needed reforms.
      政府开始进行许多必要的改革。

安排, 组织

例句：They set out the chairs for the meeting in rows of ten.
      他们摆好会议的坐椅, 每排十把椅子。

动身, 出发

例句：A visitor arrived just as we were setting out for the airport.
      我们正要前往机场时来了一位客人。

5.He suggested that instead the country should warn Israel to dispose of the nuclear weapons which he said it possessed.

dispose of将(某物)处理掉

例句：Have you any secondhand books to dispose of?
      你有旧书要处理吗?

      He doesn't know how to dispose of his spare time.
      他不知如何打发空余时间。