well up in 精通;擅长
A:It’s said you’re well up in literature.
B:You’re partial. I just like it.
A:Can you show me how to learn literature?
B:That’s a hard question. I’ve been reading and trying to write out my ideas.
A:据说你很擅长文学。
B:你说的不完全对,我只不过是爱好文学。
A:你能告诉我怎样学习文学吗?
B:这个问题很难回答。我一直在读书,并努力写出自己的感想。