it's not as if
Ni que fuera el primero.
Not that I was the first.
— Buenos Muchachos (1990)
Que ni que fuera una extraña.
It’s not like I was a stranger.
— Todo sobre mi madre (1999)
Ni que fuera la primera vez.
As if it were the first time.
— Nosotros los pobres (1948)
Ay, ni que fuera boda.
Oh, it’s not like it’s a wedding.
— Familia (2023)
¡Órale, ni que fuera tu hermana!
Come on, it's not like she were your sister!
Ni que fuera la única.
As if she were the only one.