свой портфель

one's own briefcase

→ свой

phrase Rare #40,892

one's own briefcase Свой refers to the subject of the sentence, so it can mean his, her, their, or my own depending on context.

RU: Она взяла свой портфель и вышла.

EN: She took her briefcase and left.

Я потерял свой портфель.

I lost my briefcase.

Том закрыл свой портфель и ушел.

Tom closed his briefcase and left.

Том схватил свой портфель и направился к двери.

Tom grabbed his briefcase and headed for the door.

Том потерял свой портфель.

Tom lost his briefcase.

Я забыл свой портфель.

I forgot my briefcase.