BBC news 2010-11-12 加文本

1.The move is part of a power-sharing deal struck earlier, which was thrown into doubt after the main Sunni alliance led by Iyad Allawi walked out of parliament.

walk out of辞去

例句：She was about to walk out of the door when the telephone rang.
      电话铃响时她正要出门。

2.The massive blast tore through the tightly guarded compound in Karachi's high-security zone on Thursday evening.

tear through撕裂

例句：These maneuverable, computer-guided craft tear through enemy flight formations and relentlessly strafe slower ground   targets with potent plasma charges.
      这些高机动性，电脑控制的小飞机，撕裂敌军的飞行编队，强大的等离子电荷无情的扫射地面目标，使其行动缓慢。

3.Bodies are being pulled out, and the death toll is expected to rise.

pull out(火车)驶出, (船)划出; 从某处离开, 从某处开出;驶离路边

例句：The train pulled out exactly on time.
      火车正点开出。

      A lorry pulled out from a side street.
      一辆卡车从一条小路上开出来。

4.The Obama administration has made no secret of its desire to get rid of the 17-year-old policy.

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。