not bothered
From Longman Dictionary of Contemporary Englishnot botherednot botheredespecially British English if you are not bothered about something, it is not important to you ‘What film do you want to see?’ ‘I’m not bothered.’not bothered about He’s not bothered about getting the facts right. → botheredExamples from the Corpusbothered about• Very small children are not bothered about appearance and Piggy was popular with the little-uns.• We are also not bothered about being famous or number one in the charts.• They are not bothered about the weather or the customs of the country they are in.