I don't know who
I don't know who he/she is looking for.
Lo entiendo ahora, aunque no sé a quién busca.
I understand it now, although I don't know who he is looking for.
— El imperio de las sombras (2016)
I don't know who you want to see.
I don't know whom to fire.
I don't know who I should contact.
Aún no sé a quién debería elegir.
I still don't know who I should choose.
Mire, no sé a quién está buscando, pero le juro que no está aquí.
Look, I don't know who you're looking for, but I swear he's not here.
— Durante la tormenta (2018)
I don't know who to turn to.
No sé a quién debería preguntarle.
I don't know who I should ask.