as far as I know
Hasta donde yo sé Tom nunca ha intentado suicidarse.
As far as I know, Tom has never attempted suicide.
Hasta donde yo sé, esa palabra no existe.
As far as I know, that word doesn't exist.
Hasta donde yo sé, el rumor es falso.
As far as I know, the rumor is false.
Hasta donde yo sé, esta es la única traducción disponible.
As far as I know, this is the only available translation.
Yes, as far as I know.
Hasta donde yo sé, es honesto y se puede confiar en él.
As far as I know, he is honest and trustworthy.
As far as I know, yes.
Hasta donde yo sé, el era un buen estudiante.
As far as I know, he was a good student.
Hasta donde yo sé, esta es la edición más nueva.
As far as I know, this is the newest edition.