I don't understand it
Lo que no puedo crear, no lo entiendo.
What I cannot create, I do not understand.
Cuando se trata de mi vida, no lo entiendo.
When it comes to my life, I don't understand it.
— American Gangster (2007)
I don't understand it either.
No lo entiendo, ¿puedes explicármelo?
I don't understand, can you explain it to me?
— El síndrome asténico (1989)
I don't understand it completely.
— La increíble historia de David Copperfield (2019)
Honestly, I don't understand it.