a 'petty' official [=an official who is not important and has little power]
Let's not waste time arguing over 'petty' [='trivial'] details.
My behavior was 'petty' and stupid. I apologize.
(..) Did it never occur to you that you and I belong on the same side? Oddly enough...no. We have more in common than you'd like to believe. This petty feud between us is simply childish. People will suffer. And you know how it always upset Mummy. I upset her? Me? It wasn't me that upset her, Mycroft. (..)2010 TvShow: Sherlock Title: A Study in Pink Season: 1 Episode 1