Initiative comes first, but as you are worried, the teacher may be too busy to answer the details one by one; Besides, it's hard to ask. No, you can try to find his graduate students, communicate privately, ask more questions, and help your brothers and sisters do more concrete things to build feelings. In the process of doing things, you can actually help yourself to know more about this field and the subject of your tutor. It is also a very good form to participate in the scientific research activities of the tutor group, such as the feasibility study report.

When reading literature, it is a good practice to understand and read through one or two key documents. Of course, if some advanced courses are involved, you need to consult the materials and study by yourself. Self-study is a crucial way of learning, especially after graduate students. They all learn by doing, learn from their predecessors and learn with practical problems. You don't have to cover everything. Learning to do scientific research not only emphasizes being solid and sound, laying a good foundation, but also emphasizes understanding, being good at finding and solving problems.

In consulting a tutor, you can accumulate problems from time to time, especially after you have learned something and have some initial ideas of your own. The effect is very good. After all, I am only a sophomore. Take your time. In short, the more you do, the more you touch and feel.