英语访谈节目:爱荷华党团会议即将举行

One should never make public property one's private possession.
绝不能把公家财产占为私有。

2.gain ground 取得进展

Is it utopian to hope that such iconoclastic ideas will gain ground?
希望如此有悖传统观念的思想会发展普及，这是不是太理想化了？

3.so far 到目前为止

So far we haven't been able to find anything, but we're still researching.
目前我们还没有任何发现，但是我们仍在研究。

4.closed-door 闭门的

Sorry that I cannot tell you. There is a closed-door policy for the investigation.
对不起我不能告诉你。我们对该调查采取保密的原则。

5.turn on 指责和攻击

Demonstrators turned on police, overturning vehicles and setting fire to them...
示威者攻击警察，推翻车辆并将其纵火焚烧。