Verb
know someone (third-person singular simple present knows someone, present participle knowing someone, simple past knew someone, past participle known someone)
(idiomatic) To have personal or social connections.
Sometimes you have to get to know someone really well to realize you're really strangers. Mary Tyler Moore
Getting to know someone else involves curiosity about where they have come from, who they are. Penelope Lively
The World is so empty if one thinks only of the mountains, rivers, and cities but to know someone who thinks and feels with us,and who, though distant is close to us in spirit, this makes the earth for us an inhabited garden. Johann Wolfgang von Goethe
You think you know someone. But mostly you just know what you want to know. Joe Hill
No, really, Ronnie, it's good to share information when you know someone else is dating the lunarly challenged. Laurell K. Hamilton
I can't believe you know someone named Freaky Pete," said Simon. "I know alot of people," said Luke. "Not that Freaky Pete is strictly people, but I'm hardly one to talk. Cassandra Clare