BBC news 2010-03-23 加文本

sometime，some time, sometimes区别

Some time作为名词片语，是指一定的时限而言，表示相当长的一段时间（a long time）；作副词片语时，意为“随便何时”。例：

It will take some time to tell you the whole story．

把全部经过讲给你听需要相当长的时间。

I haven't seen Mr．Liang for some time．I miss him very much．

我已好久没有看见梁先生，我十分想念他。

Sometime作为副词，意思是“在某一时候”、“日后”、“昔时”，指不定的时间而言，既可指将来亦可指过去的不确定时间（any time in the future or in the past）。例：

I will tell you sometime or other．

我将来会告诉你的。

He gave us a detailed report sometime ago．

他曾给我们一个详细的报告。

Sometime亦可用作形容词，放在名词之前作定语。例如：

He was a sometime university professor．

他曾经是大学的教授。

2.In a blog post(n.) today, the company's chief legal officer David Drummond pointed out that the Chinese government had been crystal clear throughout discussions that self-censorship is a non-negotiable legal requirement.

crystal clear完全透明的;〈喻〉极其明白,十分清楚

例句：She made her meaning crystal clear.
她把她的意思解释得清清楚楚。

point out指出; 把注意力引向…

例句：This guide book points out the main facts of early American history.
      这本导游手册讲述了美洲早期的重要史实。

      If I make any mistakes, please point them out.
      如果我出了错, 请指出来。

3. and this in turn leads to poaching which has been on the increase in Africa in the past five to ten years.

in turn转而,反过来

on the increase正在增加之中, 不断增加

例句：The bank's deposit accounts are on the increase.
      银行存款在不断增加。
 
4.A United Nations report to mark World Water Day says dirty water is killing more people than all forms of violence including war.

more people than all forms用比较级表示最高级