He 'offered no apology for' his bad behavior. [=he didn't say he was sorry for acting badly]
The company issued/delivered an official 'apology' to its customers for its error.
He's a poor/sad 'apology for' a father. [=he's a bad father]
(..) our infantry movements was meant for Lord Damon of House Marbrand. It was sent to Lord Marlyn of House Dormand. My apologies, My Lord. I must have-- Girl, fetch me the "History of the Greater and the Lesser Houses." It's the one on the-- My cupbearer can read (..)2012 TvShow: Game of Thrones Title: The Old Gods and the New Season: 2 Episode 6