BBC news 2010-12-20 加文本

1.and an opposition presidential candidate, Vladimir Neklyaev, was beaten up shortly before the polls closed.

beat up〈美俚〉痛殴, 毒打(某人)

例句：The boys robbed the old man and beat him up.
      那几个家伙抢了那老人的东西, 而且还痛打了他一顿。

      Be careful not to be beaten up by the enemy.
      当心别遭敌人暗算。

2.They are trying to get rid of Mr Lukashenko.

get rid of除掉, 去掉；摆脱

例句：It is difficult to get rid of insects.
      除掉虫子可不容易。

      How to get rid of these things is a big problem.
      如何清除这些东西是个大问题。

3.Laurent Gbagbo, who's refusing to step down as president, has called for UN peacekeeping troops to leave the country.

step down退休, 辞职

例句：The manager had to step down on account of poor health.
      那位经理由于身体不好, 只能辞职不干。

4.The secretary of state for Puebla says the explosion was triggered by thieves trying to siphon off oil from the pipeline.

siphon off用虹吸管吸出（抽干）

例句：Heavy taxes siphon off the huge profits.
      重税吸走巨额利润。