重点讲解：
1. think of
想到；想起；想出；
eg. I can't think of any reason why he should do that.
我想不出来他为什么非要那样做4_(DzSvDxFX%)z。
eg. We'll have to think of a way to solve the problem.
我们得想个法子解决这个问题vn5*cE4hk0m|T)X3x6sH。
2. as far as
就……而言；据……；
eg. That's the problem as far as I can see.
在我看来，那就是问题所在N7eZQ3zUsk]v|[oBtj4。
eg. As far as I know, he is kind.
就我所知，他人不错PPpuRp~2iQ(#。
3. used to do sth.
过去常常；过去曾；
eg. Back in Nigeria we used to play a lot of tennis.
我们以前在尼日利亚经常打网球J)5DLNZPK@A|apQ~jdi。
eg. The place used to be a stretch of barren land.
早先这里是一片不毛之地%l=&U8~g3mdGr;a。
4. go on
继续说下去；
eg. Meer cleared his throat several times before he went on.
梅尔清了几次嗓子，又接着往下说et%L.=Y3%3。
eg. 'Go on,' Chee said. 'I'm interested.'
“接着说啊，”奇说道，“我很想听vo46xadK03*y@sOZ。”