mavin

1. I'm not an educational mavin, but I guess that educational mode is supposed to make the students acceptable and interested in what they learn.
   虽然我不是教育专家，但是我认为教育模式应该让学生们更容易接受并且让产生对学习的兴趣。
2. Are you sure he is a mavin in antiques?
   你敢肯定他是个古董鉴赏家？

noun

1. someone who is dazzlingly skilled in any field

   Synonym:    aceadeptchampionsensationmavenvirtuosogeniushotshotstarsuperstarwhizwhizzwizardwiz