I swear that
I swear I'm clean.
Como sea eso te juro que esos cabrones me van a oír.
Anyway, I swear those bastards are going to hear about this.
— El salario del miedo (1953)
Pero te juro que no ha pasado un solo día en que haya dejado de pensar en ti.
But I swear, not a single day has gone by without me thinking about you.
— Amores perros (2000)
I swear I don't.