BBC news 2010-03-10 加文本

1.It's very rare for the White House to actually condemn Israel for anything, but Israel's action must have been perceived as a snub in Washington.

perceive as认为……

to perceive sb/sth as being/doing sth 认为某人/某物为/做某事，相当于regard as,view as,see as,consider as.

2.There are still conflicting reports as to whether a ransom demand was made for the return of the body.

as to至于, 关于

例句：I have no doubts as to your ability.
      关于你的能力我毫不怀疑。

3.It's not clear when they left Haiti, but one report indicates they set off on their journey which took them through the Dominican Republic, Panama and Peru two days before the earthquake which devastated large parts of Haiti on January 12th.

set off出发, 动身

例句：He proposed to set off immediately.
      他建议立即动身。

4.Officials in the Democratic Republic of Congo have launched a scheme to reduce the number of illegal weapons in the east of the country by offering 50 dollars for each one that is handed in.

hand in交上, 递交, 呈送

例句：please hand your homework in at once.
      请把你们的家庭作业立刻交上来。

      He handed in his resignation right after the cabinet meeting.
      内阁会议一开完, 他就提出了辞呈。

5. The band is also challenging how the label works out online royalties.

work out作出; 制订出

例句：It wasn't too long before we had worked out a plan acceptable to all.
      没多久我们就制订出一个大家都能接受的计划。

      The plan has already been worked out, and could be put into operation at a moment's notice.
       计划已经拟好并立即可以付诸实施。