sa·vant
noun/ˈsævənt/, /səˈvɑːnt/
/səˈvɑːnt/
(formal)- a person with great knowledge and ability
博学之士；学者；专家 - a person who has an unusually high level of ability in a particular skill, for example in art or music, or in remembering things, but who has serious learning or social difficulties in other areas
在某项特定技能（例如艺术或音乐或记忆能力）方面具有异常高水平的能力的人，但在其他领域有严重的学习或社交困难
Word Originearly 18th cent.: French, literally ‘knowing (person)’, present participle (used as a noun) of savoir.