you would know
De otro modo sabrías con certeza que es bueno y que es malo.
Otherwise you would know for sure what is good and what is bad.
— Fearless - Sin miedo (2006)
Si leyeras los informes, sabrías que tuvo una esposa.
If you read the reports, you would know that he had a wife.
— Bullet Train (2022)
Siempre dije que algún día no sabrías qué hacer.
I always said that one day you wouldn't know what to do.
— Corre Lola, corre (1998)
Quieres matarme ya mismo, pero no sabrías por qué fuiste encerrado.
You want to kill me right now, but you wouldn't know why you were locked up.
— Old Boy (2003)