familiar with (someone or something)

familiar with (someone or something)

Acquainted with or knowledgeable about someone or something. Yeah, I'm familiar with Bill, he seems like a good guy. I'm not familiar with that song—how's it go?
See also: familiar

*familiar with someone or something

to have a good knowledge of someone or something. (*Typically: be ~; become ~; get ~.) Are you familiar with changing a flat tire? I can't speak German fluently, but I'm somewhat familiar with the language.
See also: familiar