BBC news 2010-06-30 加文本

1.Whether that is possible, such an agreement, I think, is going to depend on a number of factors that will play out over the course of this summer.

play out进行到底

例句：Shall we call it a draw, or play it out?
      我们是算平局呢还是继续比赛决出胜负?

逐渐放开

例句：The rubber hose is playing out.
      卷着的橡皮管正在逐渐放开。

2.Briefing reporters, President Obama's spokesman Robert Gibbs said the president was aware of the spy investigation before he met President Medvedev but chose not to raise the issue during their talks.

be aware of意识到,注意到,知道,明白

例句：No one was aware of his vicinity.
      没有人发现他就在附近。

      All the while I was acutely aware of her nearness.
      我一直强烈地意识到她离我很近。

3.He appealed for unity in the fight against drug cartels which he said were threatening to destroy Mexico's democratic institutions.

appeal for呼吁

例句：He appealed for his parents' forgiveness.
      他恳求他的双亲宽恕他。

4.President Obama has met King Abdullah of Saudi Arabia at the White House to discuss the need for pressing ahead with the Middle East peace process.

press ahead推进,挺进,勇猛前进,奋勇前进

例句：We must press ahead with our efforts to reach an agreement.
      我们必须加紧努力，以达成协议。