not a single
Not a single taxi stopped.
Él no tiene ni un solo pariente.
He doesn't have a single relative.
Ni un solo pensamiento, ni una chispa de idea.
Not a single thought, not a spark of an idea.
— O Auto da Compadecida (2000)
Not a single sparrow could be heard.
I don't have a single enemy.
Ya no hay ni un solo lugar seguro en Japón.
There isn't a single safe place left in Japan.
Hasta ahora no he perdido ni un solo caso delante de ningún juez.
So far I haven't lost a single case in front of any judge.
— Contratiempo (2017)
Nosotros no vimos ni un solo juego.
We didn't see a single game.