重点讲解：
1. in support of
维护；支持；拥护；
eg. The judge quotes various cases in support of his opinion.
法官引证了各种案例来支持他的判决理由。
eg. They signed a petition in support of the workers' demands.
他们在请愿书上签名，支持工人的请求。
2. in the hope of
怀着（…发生的）希望；
eg. He was studying in the hope of being admitted to an engineering college...
他努力学习，希望能被一所工程学院录取。
eg. We will be analysing all the things she has told us in the hope that we can locate the person responsible.
我们将分析她告诉我们的所有事情，希望能找出罪魁祸首。
3. cash in
利用；从中牟利；从…中捞好处；
eg. Residents said local gang leaders had cashed in on the violence to seize valuable land...
居民们说，当地的帮派头子用暴力夺取宝贵的土地。
eg. Certain big oil companies attempted to cash in on the energy crisis.
某些大石油公司企图从能源危机中捞到好处。
