VOA慢速英语:As Annan Resigns, UN Condemns Violence in Syria

短语讲解：

1. It also criticizes the U.N. Security Council for failing to stop the violence in Syria.

fail to 未能...
例句：Fail to pay and they'll cut off the electricity. 
你（如果）不付款，他们就要断电。

2. On Thursday, Kofi Annan announced he will leave at the end of the month as the United Nations and Arab League negotiator for Syria.

at the end of 在...末端(到...尽头)
例句：At the end of the concert, the audience stood and clapped.
音乐会结束时，观众起立鼓掌。 

3. I think we are ready, of course, to consider any proposal by the secretary-general.

of course 当然
例句：Of course I remember him.
我当然记得他。

4. British Prime Minister David Cameron is call for more aggressive action.

call for 需要
例句：This is a problem that calls for immediate solution.
这是个迫切需要解决的问题。

5. Hundreds of thousands of civilians have fled and an unknown number have died.

hundreds of thousands of 成千上万的
例句：The city subways carry hundreds of thousands of passengers a day. 
市内的地下铁每天运载数十万乘客。