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]
(..) ...just to get a glimpse of the one... ...who taught them to hold on a second longer. I believe there's a hero in all of us... ...that keeps us honest... ...gives us strength... ...makes us noble... ...and finally allows us to die with pride. Even though sometimes we have to be steady... (..)2004 Spider-Man 2