BBC news 2011-09-28 加文本

词汇讲解：

1. involuntary adj. 无意识做出的;非故意的
例句：An involuntary shudder passed over both of us. 
我们两人都情不自禁地打了个寒颤。 

2. frustrated adj. 挫败的;失意的;泄气的
例句：He was frustrated by deep poverty.
他因赤贫而灰心丧气。

3. permission n. 允许, 许可, 准许
例句：With your permission I'll leave now.
有你的允许, 我这就离开。

4. worsen v. (使)变得更坏,(使)恶化
例句：I apprehend no worsening of the situation.
我不担心局势会恶化。

5. reluctant adj. 不情愿的, 勉强的
例句：I am reluctant about asking him to do this.
我极不愿意让他去干此事。

6. speculation n. 思索;沉思;推测
例句：There has been a great deal of speculation about the Prime Minister's resignation.
最近有关首相辞职的臆测颇多。

7. vanish vi. 消失, 突然不见
例句：The smile vanished from her face.
笑容从她脸上消失了

8. flog vt.多次重打;抽打;鞭打
例句：Offenders were publicly flogged.
违犯者被当众鞭笞。

9. lodge vt. 提出(申诉,抗议等)
例句：He lodged a complaint with the manager.
他向经理提出抗议。

10. downfall n. 垮台, 衰落
例句：Various factors contributed to his downfall.
多种因素导致了他的垮台。

11. hinder v. 阻碍; 妨碍
例句：Heavy snow hindered construction work.
大雪阻碍了建筑工程的进展。

12. tamper v. 篡改；擅自改动；胡乱摆弄
例句：Two policemen were accused of tampering with the evidence.
有两名警察被控篡改证据。