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]
(..) What? Oh... I do believe we can make this work to our advantage. "Happily Ever After Potion. Maximum strength. "For you and your true love. "If one of you drinks this, you both will be fine. "Happiness, comfort and beauty divine." (..)2004 Shrek 2