as far as someone knows
US /æz fɑːr əz ˈsʌm.wʌn noʊz/
UK /æz fɑːr əz ˈsʌm.wʌn noʊz/

1.
hasta donde yo sé, que yo sepa
used to say that you think something is true, but that there may be things you do not know
:
•
As far as I know, he's still working there.
Hasta donde yo sé, él todavía está trabajando allí.
•
As far as we know, no one was injured in the accident.
Hasta donde sabemos, nadie resultó herido en el accidente.