idiot savant
noun/ˌɪdiəʊ sæˈvɒ̃/
/ˌɪdiəʊ sæˈvɑ̃ː/
(plural idiot savants, idiots savants
(old-fashioned, offensive, from French)/ˌɪdiəʊ sæˈvɒ̃/
/ˌɪdiəʊ sæˈvɑ̃ː/
)- 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 OriginFrench, literally ‘knowledgeable idiot’.