without thinking
She acted without thinking.
No puedo dejar de ver esta fotografía sin pensar en mis buenos tiempos.
I can't look at this photograph without thinking of my good times.
Lo sigo intentando sin pensar ni entenderlo.
I keep trying without thinking or understanding it.
— PK (2014)
I said this without thinking.
No puedo mirarte sin pensar en tu madre.
I can't look at you without thinking of your mother.
He acted without thinking.
No puedo mirar esta pintura sin pensar en mi madre.
I can't look at this painting without thinking of my mother.
Neto era impulsivo, actuaba sin pensar.
Neto was impulsive; he acted without thinking.
— Tropa de Élite (2007)
Sin embargo, no puede verte sin pensar en sexo.
However, he can't see you without thinking about sex.