I confuse, I mix up
Siempre confundo a John con su hermano gemelo.
I always confuse John with his twin brother.
Siempre confundo uno con otro.
I always confuse one with the other.
— Salyut-7: Héroes en el espacio (2017)
A menudo confundo a John con su hermano gemelo.
I often confuse John with his twin brother.