重点讲解：
1. go ahead with
着手；开始做；
eg. We all urged him to go ahead with his plan.
我们都鼓励他实施他的计划。
eg. As soon as those in authority give us the okay, we can go ahead with the project.
只要负责人一签字认可，我们就能继续进行这项工程。
2. take sb. for a ride
上当受骗；被欺骗；
eg. It sounds like they took you for a ride in more ways than one.
听起来好象他们用种种方法欺骗了你们。
eg. When he had not returned with my money an hour later I realized that I had been taken for a ride.
1个小时后他没有带着我的钱回来，我才意识到自己上当受骗了。
3. be suspicious of
觉得可疑的；起疑的；
eg. The locals tend to be suspicious of strangers.
当地人对陌生人往往有戒心。
eg. I am suspicious of his intentions.
我怀疑他的用意。
