wisenheimer

/ˈwaɪz(ə)nˌhaɪmə/ 28
a person who behaves in an irritatingly smug or arrogant fashion, typically by making clever remarks and displaying their knowledge.

noun [专属名词]自作聪明的人

You might expect from a wisenheimer.
你可能对自作聪明的人有所期待。

单词造句: