will regret it
Yo, sólo soy otro tonto soldado yendo a un lugar del cual se arrepentirá.
I'm just another foolish soldier going to a place I'll regret.
— Avatar (2009)
He will regret this.
I swear you won't regret it!
— Chainsaw Man – La película: Arco de Reze (2025)
Por cierto, si descubro a alguien espiando mis cosas, se arrepentirá.
By the way, if I catch anyone snooping through my things, they'll regret it.
— Los chicos del coro (2004)
You will regret this.
Déjeme tranquilo o se arrepentirá.
Leave me alone or you'll regret it.
— Ladrón de bicicletas (1948)
He/She will regret it.
She will regret it.