If you find that are having trouble both listening and taking good notes then you might consider bringing in a tape recorder and record the lecture.
如果你发现同时听讲和做笔记很难，那么你可以考虑带一个录音设备来记录课程讲解。
2
I have trouble understanding the professors' lectures, so I take a tape recorder to class.
我对教授授课内容的了解仍有问题，所以我都带录音机去上课。
3
This paper describes . and compares three popularly used trouble locating methods of power lines, i. e. , protection action analysis, fault recorder analysis and lightning location system.