a person who studies a subject in great detail, especially at a university

a classics/history scholar 研究古典文学／历史的学者

Dr Miles was a distinguished scholar of Russian history. 迈尔斯博士是一位研究俄国历史的著名学者。

someone who is intelligent or good at learning by studying

David's never been much of a scholar. 戴维从来不是一个善于学习的人。