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]
(..) new name-- Reek. Why are you doing this? Because Reek has something to say to you. Don't you, Reek? An apology. Apologize to Lady Sansa for what you did. Apologize for murdering her two brothers. I'm sorry. (..)2015 TvShow: Game of Thrones Title: Kill the Boy Season: 5 Episode 5