BBC在线收听下载:美国步枪协会建议学校设立武装警卫

1. Now, there is intense speculation that he might be tended to enter the election campaign and try to secure a powerful position in the next government.

try to 试着
例句：Please try to save the tooth.
请设法补救这个牙齿。

2. He is expected to spell out his intentions over the weekend.

be expected to 被期待做某事
例句：You'll be expected to justify your actions.
你将需要为你的行为提供正当的理由。

3. Paramilitary police have been flown to the area. Police say ethnic Pokomo farmers attacked members of the Omar community in revenge for clashes in August, which left more than 100 dead.

more than 超过
例句：She was no more than 16.
她是不超过16个。

4. Mr. Ban called on the government of South Sudan to carry out an immediate investigation and bring to account those responsible.

carry out 执行
例句：We must carry out the party's policies.
我们要贯彻党的政策。