BBC news 2009-05-20 加文本

1.Since I came to this house 30 years ago, I’ve always felt that the house is at its best when it is united.

at one's best处于最佳状态

例句：Every time I attended an examination,I was at my best.
      每次参加考试我都出于最佳状态。

2.In order that unity can be maintained, I have decided that I will relinquish the office of speaker on Sunday, June 21.

in order that相当于In order to,为了……不过前者后面要跟从句。

例句：This month I average 10 hours of work a day in order to finish the project.
       为了完成这个项目，我这个月平均每天工作10小时。

3.Now this money comes on top of almost 60 million that the United States has provided since last August, to help Pakistanis who’ve been affected by the conflicts, and in addition to the other funding for Pakistan that we are already seeking from the Congress.

on top of 熟练掌握, 在...之上, 完全控制着, 另外, 紧接着

例句：That's on top of another $10 million he carried over from him Senate election.
      他手里另攥着1000万美金，是参选议员留下的。

in addition to除了，此外

例句：We have to give the users something new in addition to what we already offer,which is the only way to broaden the appeal of the website.
     除了已经提供的服务，我们必须再为用户提供些新颖的服务，只有这样才能增加网站的吸引力。

4.Palestinians argue that the project has a strong political dimension and is in effect a land grab.

in effect实际上

例句：In effect the government has increased security at their border.
       事实上，政府已经在边界加强了安全措施。