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]
(..) and he wants something more. Then he and I are on equal ground. Yes, but you're much closer to it than he is. Look, if this was , years ago, by virtue of his size and strength, Kurt would be entitled to his choice of female partners. And male partners, animal partners, large primordial eggplants-- (..)2007 TvShow: The Big Bang Theory Title: The Middle Earth Paradigm Season: 1 Episode 6