it'll be fun
I think it will be fun.
Será divertido el incendio, ha pasado tiempo.
The fire will be fun, it's been a while.
— Burning (2018)
Creo que será divertido trabajar con ella.
I think it’ll be fun to work with her.
— Gully Boy (2019)
That will be fun.
Come on, it'll be fun.
Será divertido, pero no es un partido.
It will be fun, but it's not a game.