Now that the quarterback has recovered from his injury, this week the team will be functioning 'at full strength' again. [=the team will have all its players again]
We are negotiating from a 'position of strength'. [=from a strong position; from a position that gives us an advantage]
He didn't mean to knock you down; he just 'doesn't know his own strength'. [=doesn't realize how strong he really is]
(..) . - ? - We are not a large house, but we're a proud one. And every man from Bear Island fights with the strength of mainlanders. If they're half as ferocious as their lady, the Boltons are doomed. Kingslayer. (..)2016 TvShow: Game of Thrones Title: The Broken Man Season: 6 Episode 7