VOA慢速英语:Boko Haram Threatening Schools in Cameroon

短语讲解：

1. But thousands of students and teachers are fleeing their schools in towns that border Nigeria’s Borno state.

thousands of 数千的
例句：The game drew thousands of spectators. 
这场比赛吸引了数千名观众。 

2. One thousand children were expected to start classes in government schools in the border town of Kolofata.

be expected to 被期待做某事; 有望做某事; 期许
例句：That could hardly be expected to last.
这很难预计将持续多久。

3. He says at that time, the government will bring the staff and the students to the new sites.

at that time 在那时; 当时
例句：They had a problem at that time.
美国商界在当时有个难题。

4. Cameroonian and Nigerian military action has failed to stop the violence.

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。