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]
(..) for the clues they are. Sometimes the thing you thought was the most brutal aspect of the virus, turns out to be the chink in its armor. And she loves disguising her weaknesses as strengths. She's a bitch. D.C. has gone dark. The Capitol evacuation has been suspended. (..)2013 World War Z