you don't know how much
No sabes cuánto extraño poder caminar por mi barrio y saludar a los vecinos de siempre.
You don't know how much I miss being able to walk around my neighborhood and greet my usual neighbors.
No sabes cuánto te agradezco todo lo que has hecho por mí.
You have no idea how grateful I am for everything you've done for me.
Neville, no sabes cuánto siento esto.
Neville, you have no idea how sorry I am about this.
— Harry Potter y la piedra filosofal (2001)
No sabes cuánto la vas a necesitar.
You have no idea how much you're going to need it.
— Por un puñado de dólares (1964)
No sabes cuánto te hemos echado de menos.
You have no idea how much we've missed you.
Tú no sabes cuánto sufrí por ti.
You don't know how much I suffered for you.
— Que Horas Ela Volta? (2015)
You have no idea how sorry I am.
— Mujeres al borde de un ataque de nervios (1988)
You don't know how much I love you.
No sabes cuánto quería ver te.
You have no idea how much I wanted to see you.
— Se levanta el viento (2013)