с ним знакома

be acquainted with him

→ с
phrase Rare #44,443
be acquainted with him Used when the speaker or subject is female. More literally: “with him acquainted.”
RU: Я с ним знакома уже давно.
EN: I’ve been acquainted with him for a long time.

Она была с ним знакома?

Was she acquainted with him?

Нет, но наша дочь с ним знакома.

No, but our daughter knows him.

— Головой о стену (2004)

Моя сестра с ним знакома.

My sister knows him.

— Паразиты (2019)

Ванесса была с ним знакома.

Vanessa knew him.

— Дипломная работа (1996)