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