BBC news 2009-11-22 加文本

1.They say those screened off are being rehabilitated, but this process and the screening methods haven’t yet been opened to outside scrutiny.

screen off用屏幕隔开,隔离

例句：Screen off her bed and make sure she's not disturbed.
      把她的床用屏风隔开，一定要使她不受打扰。

2.Scientists at the CERN, nuclear research centre in Europe, say they are delighted with the progress made after they restarted the Large Hadron Collider on Friday night.

make progress前进,进步

例句：Every student ought to do his part to make steady progress.
      每个学生都应尽本分以求平衡的进步。

3.The particle accelerator has done more in a few short hours than it did in nine days last year before it broke down.

break down损坏, 发生故障

例句：Our car broke down and we had to draw it to a garage.
      我们的车坏了, 不得不把它拖到修车厂去。

      Her telephone had broken down.
      她的电话故障了。

4.Fathi Hamad, who acts as Hamas’s interior minister, said the groups had agreed to halt all rocket attacks except those carried out in retaliation for Israeli military incursions into Gaza.

carry out开展,贯彻,执行,履行,实现,完成

例句：He carried out the plan in very detail.
      他一丝不苟地执行那项计划。

      If you make a promise, it should be carried out.
      你许了诺言, 就一定要兑现。

in retaliation for报复

例句：the act of taking revenge (harming someone in retaliation for something harmful that they have done) especially in the  next life.
       尤其是下一代采取报复的行动（用他们曾做过的伤害的事情伤害他）。