different ball game

Translations
совсем другая ситуация
Working from home is a different ball game compared to working in an office.
Работа из дома — это совсем другая ситуация по сравнению с работой в офисе.
Definitions
A situation or activity that is completely different from what has been previously experienced or considered, often implying a change in circumstances or challenges.
Words
different

adjective
другой
ball

noun
мяч
game

noun
игра