1. be busy with忙于
2. be capable of 能……;有能力做
The machine is capable of improvement. (或being improved)
这台机器是可以改进的。
3. be concerned about 担心;操心
4. be concerned with 与……有关
5. be different from 与……不同
A home in the country is very different from an apartment in the city.
在乡村住家与在城里住公寓有很大差别。
6. be fond of 爱好;喜爱
7. be full of 装满;充满
8. be good at 善于;擅长于
We must be good at learning from the people all over the world .
我们要善于向全世界各国人民学习。