his/her/your/their face
Pagaría por ver su cara ahora mismo.
I'd pay to see his face right now.
Pues yo me rompo la cabeza, pensando de dónde conozco su cara.
Well, I'm racking my brain trying to figure out where I know his face from.
— Moscú no cree en lágrimas (1980)
La luna empezó a mostrar su cara pálida desde detrás de las nubes.
The moon began to show its pale face from behind the clouds.
Quiero ver la mirada de su cara.
I want to see the look on his face.
You should have seen his face.