统考必背英译汉（四）1. He has taught English in this university ever since he moved to this city.
自从他来到这座城市就在这所大学里任教。
2. Transistors are small in size and light in weight.
晶体管的体积小，重量轻。
3. John and his brother differ in personality even if their differences in age are not significant.
尽管约翰和他哥哥在年纪上相差不大，但他们的个性却不相同。
4. If you decided to learn a new language, you would have to dedicate yourself wholeheartedly to the cause.
如果你决定学一门新的语言，你必须全身心地投入。
5.  You needn’t go there anymore. He already knows about it.
你不必去了，他已经知道那件事了