重点讲解：
1. ever since
自从；打…以后一直；
eg. He's been there ever since you left!
自从你离开后他就一直在那里！
eg. Ever since we moved last year, I worry a lot about whether I can handle this new job.
自从去年我们搬家，我就一直非常担心能否做好这份新工作w4CL9OzEPu&uB85w#DSx。
2. in terms of
在…方面；从…角度看；根据…来说；
eg. It was a bad year for films, in terms of both quantity and quality.
今年的电影无论从数量上还是质量上都说不上好vi&F!0fVa_hH^]kOogg。
eg. It is difficult to express it in terms of science.
要用科学的字眼来表达它是很困难的C9J)p.TX;T。
3. know of
听说过；略有耳闻；
eg. We know of the incident but have no further details.
我们听说过这件事，但对详情不是很清楚Ynl=8nH@rr|。
eg. I know of the man, but I've never spoken to him.
我知道这个人，不过从来没有和他说过话+Ij)ddKO+LyqhMlKiLUT。