BBC news 2010-08-22 加文本

1.Organizers are wary because fighting has broken out in recent days when desperate people mobbed aid trucks.

break out(战争、打斗等不愉快事件)突然发生, 爆发

例句：Something unexpected always breaks out in this area.
      在这一地区总有意想不到的事情发生。

2.Airports and ports in Egypt had been told to look out for this painting of a Vase of Poppies to make sure it wasn’t smuggled abroad.

look out for搜寻(某人或某物); 试图得到(某物)

例句：Will you go to the station and look out for Mr. White?
      你到车站去等待怀特先生好吗?

make sure设法确保出现某事物

例句：We and our friends will make sure of that.
      我们和我们的朋友要确保这一点。

3.But just hours later, Sweden’s chief prosecutor issued a brief statement, saying that Mr Assange was not suspected of rape and was no longer wanted by police.

no longer不再, 已不, 不复, 再也不

例句：He was long a famous musician, but he plays no longer.
      他成为有名的音乐家已很久了, 但他现在不演奏了。

      The city's water supply is no longer adequate for its need.
      这个城市的供水已不敷需求。