BBC news 2009-07-08 加文本

1.Dozens of friends and international celebrities paid tribute to the singer in words or music, his daughter Paris called him "the best father you could ever imagine".

pay tribute to称赞, 歌颂，表达敬意

例句：May we sincerely pay our tribute to all teachers.
      在此，让我们衷心向全港所有教师致以无限敬意。

2.Mrs. Clinton called on all sides to refrain from violence.

refrain from忍住, 节制, 戒除

例句：I could not refrain from laughter.
      我忍俊不禁。

3. She said that all parties had agreed that the Costa Rican leader would serve as a mediator, a role he’d played in previous regional conflicts in which he’d earned a Nobel peace prize in 1987.

play a role起作用

例句：Biological factors play a major role in the development of mental illness.
      生物因素在精神疾病的发展过程中起着很重要作用。

4. But there has been little of either on display here in Xinjiang.

little of either前面提到了口号的两点是和谐和稳定，either指的是两者其中之一，Little是否定的意思，所以指的是两者一个都没体现出来。

on display陈列，展览

例句：The paintings on display show that Chinese oil paintings have developed remarkably.
      从送展的作品看，中国油画有明显的发展。

5.The President of Iran Mahmoud Ahmadinejad has again said that the country's recent elections were free and fair, speaking on Iranian state television, Mr. Ahmadinejad described them as the freest elections to be held anywhere, adding that they set an example to the world.

set an example树立榜样

例句：A teacher must set an example (or a good example) to his students.
      老师要做学生的表率。