it hasn't been easy
No ha sido fácil adaptarse al nuevo horario.
Adapting to the new schedule hasn’t been easy.
Para nosotros no ha sido fácil adaptarnos.
Adapting hasn’t been easy for us.
It hasn’t been easy to convince him.
Nadie se ha envenenado, pero no ha sido fácil.
No one has been poisoned, but it hasn't been easy.
— Ratatouille (2007)
No ha sido fácil pero ya sabe.
It hasn't been easy but you know.