BBC news 2009-06-20 加文本

1.President Obama continues to tread a fine line in commenting on Iran, anxious not to be seen as interfering or to fuel anti-American sentiment.

tread a fine line.tread是踏, 行走, 踩碎, 践踏的意思。tread a fine line指的是小心翼翼，有点不敢越雷池一步的意思。

2. He hit out what he called the arrogant powers, media leaders in the United States and some European countries, who he said had shown their true faces.

hit out猛打，抨击

例句：The Prime Minister hit out at his colleagues.
      首相猛烈抨击他的同事。

3.A significant number of MPs have already said they will step down, and a number of ministerial careers have also in fact been ruined.

step down走下, 逐步减低, 辞职, 下台

例句：Pressure mounts on Japan PM Mori to step down.
      要求日相森喜朗下台压力日渐升高。

4.The world number one tennis player Rafael Nadal has pulled out of next week’s Wimbledon Championships due to a recurring knee injury.
 
pull out拔出, 离开, (使)渡过难关, (使)恢复健康

例句：Our Australian partner pull out of the contract.
      我们澳大利亚合伙人退了合同。

5.They beat the West Indies by 57 runs at The Oval in London, thanks largely to an innings of 96 not out by Dilshan.

thanks to由于

例句：Thanks to his hands, everything seems to come alive.
       幸亏他的帮忙，一切都似乎有了好转。