на полставки

part-time

→ на
phrase Uncommon #25,623
part-time Used when someone works fewer than full-time hours, often around half the usual hours.
RU: Она работает на полставки в магазине.
EN: She works part-time at a store.

Том работал на полставки.

Tom worked part-time.

Это на полставки.

This is part-time.

— Драйв (2011)

Ты, охранник на полставки!

You, part-time security guard!

— Истинная грусть (1998)

Вам не нужен новый работник на полставки?

Do you need a new part-time employee?

— Паразиты (2019)

У вас же был студент на полставки?

You had a part-time student, didn't you?

— Паразиты (2019)

Том работает на полставки.

Tom works part-time.