on vacation
Я был за границей на каникулах.
I was abroad on vacation.
Расскажи мне, что ты делал на каникулах.
Tell me what you did on vacation.
Испытаем на каникулах, а я буду пилотом!
We'll try it out during the holidays, and I'll be the pilot!
— Ведьмина служба доставки (1989)
Students on vacation.
На каникулах я каждый день играл в гольф.
During the holidays I played golf every day.
На каникулах я был в Копенгагене.
I was in Copenhagen on vacation.
Том сейчас в Австралии на каникулах.
Tom is currently in Australia on holiday.
What did you do on vacation?