BBC在线收听下载:加拿大牧师在朝鲜官方电视中认罪

短语讲解：

1. This involves allegations about plans to step up the surveillance of online communications.

step up 走上; 增加（使）; 加快速度（使）
例句：We must step up our vigilance.
我们一定要提高警惕。

2. But the Justice Minister rejected this and said the prosecutor could no longer be trusted with his office.

no longer 不再，已不
例句：The mine is no longer being worked.
这座煤矿现在已不开采了。

3. But the Colombian Defense Minister Luis Carlos Villegas told the report that the Black Hawk helicopter had probably crashed against a side of a mountain possibly due to low cloud cover.

due to 由于; 因为
例句：This error is largely due to my oversight.
这个错误主要是由于我一时疏忽而造成的。

4. There are reports that at least five American trained Syrian rebels have been captured by a rival group the al-Nusra Front which is linked to Al Qaeda.

at least 至少
例句：For that day at least he lost heart.
至少这一天他是垂头丧气的。

5. The Roman Catholic Archdiocese in the American state of Milwaukee has agreed to pay 21 million dollars to more than 300 victims of sexual abuse by clergy.

agree to 同意
例句：We cannot agree to consign the goods.
我们不同意寄售此货。