BBC在线收听下载:巴西总统特梅尔面临腐败调查 但拒绝辞职

短语讲解：

1.A special prosecutor has been appointed, but Nancy Pelosi said she was worried about how much freedom he would be given.

worry about 担忧， 烦恼; 惦念; 挂虑
例句：Don't worry about me; I'm very well.
别为我担心，我很好。

2.Elite US forces operated from the remote base in support of Syria opposition fighters in the area.

in support of 支持; 证明…正确;
例句：They are raising a fund in support of this good cause.
他们正在为赞助这一有益的事业而集资。

3.Witnesses say his car sped up mount the pavement and finished upon 2 wheels.

speed up （使） 加速; 开快车; 加紧; 增速
例句：You notice that your breathing has speeded up a bit
你注意到自己的呼吸加快了一些。