isn't difficult
This isn't difficult.
Não é difícil falar inglês, é?
It's not difficult to speak English, is it?
Latin is not difficult.
Não é difícil aprender francês.
It's not difficult to learn French.
I know it isn't difficult.
It isn't difficult to do that.
It's not difficult to do.
French isn't difficult.
Não é difícil aprender holandês.
Learning Dutch isn't difficult.