O, bildiğim kadarıyla, güvenilir bir arkadaştır.
- He is, so far as I know, a reliable friend.
Bildiğim kadarıyla böyle bir sözcük yok.
- So far as I know, there is no such word.
insofar as (or that), to the extent that, to such an extent.
... an opportunity for all lets us go as far as our dreams and toil will take us ...
... As far as your amygdala is concerned, all of those are ...