is too difficult
Este libro es demasiado difícil para mí.
This book is too difficult for me.
It's too difficult.
Este libro de texto es demasiado difícil para mí.
This textbook is too difficult for me.
Este problema es demasiado difícil para que yo lo resuelva.
This problem is too difficult for me to solve.
Este libro es demasiado difícil para que yo lo lea.
This book is too difficult for me to read.
Le es demasiado difícil resolver el problema.
He finds it too difficult to solve the problem.
It's too difficult for me.
La ciencia es demasiado difícil.
Science is too difficult.
Esto es demasiado difícil para mí.
This is too difficult for me.
El francés es demasiado difícil, así que no creo que quiera aprenderlo.
French is too difficult, so I don't think I want to learn it.