He was fearful 'to the extent that' he refused to leave his house. [=he was so fearful that he refused to leave his house]
This new tax affects everyone 'to a greater or lesser extent'. [=it affects some people more than it does other people]
He studied only 'to the extent that' was required to pass the exam. [=he studied just enough to pass the exam]
(..) _ _ _ _ _ That's about the extent of my Valyrian. Thank you for travelling all this way. I know from personal experience how uncomfortable the journey can be. (..)2016 TvShow: Game of Thrones Title: The Door Season: 6 Episode 5