на четыре

for four (days, hours, etc.); for a period of four

→ на

phrase Uncommon #14,834

for four (days, hours, etc.); for a period of four The noun or time unit usually follows the phrase, as in на четыре дня (“for four days”). To mean “for four people,” Russian normally uses на четверых.

RU: Мы уехали на четыре дня.

EN: We went away for four days.

А на четыре тысячи франков мы выживем.

And we will survive on four thousand francs.

— Жан Де Флоретт (1986)

Моя сестра на три года младше меня, а мой брат-на четыре.

My sister is three years younger than me, and my brother is four years younger.

Недели на две, на четыре.

For two or four weeks.

— Любовное настроение (2000)

Четыре разделить на четыре будет один.

Four divided by four is one.