mono·lin·gual /ˌmɑnəˈlɪŋgwəl, ˌmo, ˈlɪŋgjəwəl/ (a.)僅用一種語言的,僅懂一種語言的
monolingual adj : using or knowing only one language; "monolingual speakers"; "a monolingual dictionary" [ant: multilingual]