BBC news 2010-10-09 加文本

例句：He called on his friends to help him.
      他向朋友求助。

2.United States National Security Adviser James Jones is stepping down, the fifth senior official in the Obama administration to resign in a matter of weeks.

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。

3. Now the rear admiral has said he feels vindicated by his reinstatement and that he'll push for stability and reconciliation.

push for急切、强烈地要求, 为…奋力争取

例句：People living near the airport are pushing for new rules about night flight.
      住在机场附近的人们正强烈要求制订出夜航班机的新规。

      He pushed me for an answer.
      他催我作出答复。

4.A former bank executive in Nigeria has been sentenced to six months in prison for fraud and ordered to hand over more than $1 billion in cash and assets.

hand over交出; 交付; 交给

例句：You must hand over your passport before you leave.
      离境前必须交回护照。

      The material was handed over to the department just in time.
      材料及时地交给了有关部门。