inter-,在内，在中间，相互，-ven,来到，词源同venal,advent.即来到中间的，引申词义干扰，干预。

1. The Government is doing nothing to intervene in the crisis.

政府没有采取任何行动对这次危机进行干预。

2. The security forces had to intervene to prevent the situation worsening.

安全部队不得不介入，以防止局势进一步恶化。

3. He would ask Congress to intervene and head off a strike.

他将要求国会进行干预，防止发生罢工。

4. When riot broke out, the police were obliged to intervene.

发生暴乱时, 警察有责任干预.

5. You don't intervene between those two drunks.

你不要在那两个酒鬼之间进行调解.