BBC news 2011-01-16 加文本

1.The Tunisians have succeeded in bringing down the dictator, but they have a long way to go before they can bring down his legacy to dismantle a dictatorial edifice, to dismantle the system of one-party state which ruled over the country for 50 years.

bring down击败…

例句：At the next vote, we must try to bring down the government.
      下次选举时, 我们一定设法击败政府。

2.Riot police in Greece have used tear gas to break up clashes in Athens between anti-immigrant demonstrators and a rival group of anti-racist activists and immigrants.

break up(使)散开, (使)解散

例句：The crowd broke up.
      人群散开了。

      They break up the meeting.
      他们散会了。

3.The United Nations is appealing for millions of dollars in emergency aid for Sri Lanka to compensate those who've been affected by the floods and to help them replant their crops.

appeal for呼吁

例句：He appealed for his parents' forgiveness.
      他恳求他的双亲宽恕他。