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]
(..) Hey, Piper says to hurry up with those crystals. Genie Phoebe is getting on her last nerves down there. - What are you doing? - I'm writing you an apology. I just-- I can't seem to get it right. Leo, come on, man, you don't need to do that. I know that I don't need to, but I want to. (..)2004 TvShow: Charmed Title: I Dream of Phoebe Season: 6 Episode 15