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

1.
theo như tôi biết, theo tôi được biết
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.
Theo như tôi biết, anh ấy vẫn đang làm việc ở đó.
•
As far as we know, no one was injured in the accident.
Theo như chúng tôi biết, không có ai bị thương trong vụ tai nạn.