BBC news 2011-02-24 加文本

1.Residents have said they are too frightened to venture out in case Colonel Gaddafi's forces shoot them on sight.

in case免得, 以防

例句：Be quiet in case you wake the baby.
      轻点儿, 别吵醒婴儿。

on sight一看到…就

例句：They were told to shoot enemies on sight.
      他们奉令一见到敌人立即射击。

2.A warplane was reported to have crashed near the city after the crew bailed out.

bail out从机上跳伞

例句：The pilot bail out of the airplane before it explode.
      飞机爆炸前驾驶员跳伞了。

3.We are joining with the rest of the world in sending a clear message to the Libyan government that violence is unacceptable and that the Libyan government will be held accountable.

hold accountable对…负责任

例句：The group leader will hold accountable for the action of the group.
      小组长要对小组的行为负责。

4.Now the way that we will proceed in the Security Council and in the Human Rights Council is to come up with the best approaches that we think will help the people of Libya.

come up with想出, 提出

例句：I hope you can come up with a better plan than this.
      我希望你们能提出一个比这个更好的计划。

5.While Nato is claiming that it has turned the corner that it has taken the offensive and that the insurgency is now on the defensive...

turn the corner转危为安,渡过难关