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

1.
據我所知, 就我所知
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.
據我所知,他還在那裡工作。
•
As far as we know, no one was injured in the accident.
據我們所知,事故中沒有人受傷。