CNN news 2009-11-04 加文本

1.Afghan election officials declaring the winner after his competitor dropped out of the runoff.

drop out of退出,辍学,脱离

例句：She dropped out of school to become a waitress.
      她退学去当女侍应生。

2.Talks broke down over pensions and work roles, and transit officials say their offer was competitive.

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。