persona grata
/pɜːˈsəʊnəˈgrɑːtə/noun
(pl. personae gratae /-niː, -tiː/ )
- a person, especially a diplomat, acceptable to certain others受欢迎的人（尤指外交官）：
in my last term I became persona grata to a group of Newnham College girls.
最后一学期, 我成了受一群纽纳姆学院女生青睐的人。
词源
Latin, from persona （see PERSONA） + grata, feminine of gratus 'pleasing'.