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]
(..) -Yeah. lt's about pounds. ain't it? -No. . -Thirty-two. But l'll tell you. it took every bit ot strength l had... ...to hold it while the guy took the picture. Every damn bit. Probably that chain didn't help it any. either. You didn't weigh the chain. did you? (..)1975 One Flew Over the Cuckoo's Nest