英语中某方面的高手怎么说，比如电脑操作高手，理财高手等

expert
computer expert
电脑高手
advertising expert
广告师
associate expert
助理专家
consultancy expert
咨询专家
corrosion expert
防锈专家
data processing expert
数据处理专家
educational expert
教育专家
legal expert
法律专家[鉴定人]
an expert in economics
经济学专家
an expert with the needle
针线能手
an expert on foreign affairs
外交专家

master

expert

expert of...

specialist