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]
(..) - You have to be quick to catch them. - He's right about that. Now that Bran's awake, will he come live with us? Well, he needs to get his strength back first. He wants to be a knight of the Kingsguard. - He can't be one now, can he? - No. But someday (..)2011 TvShow: Game of Thrones Title: Cripples, Bastards, and Broken Things Season: 1 Episode 4