внимание(attention; heed; notice (usually used in negative constructions), eg "pay someone (or something) no nevermind – не обращать на кого-либо/что-либо внимания" • Pay him no nevermindcollinsdictionary.com'More)
дело(concern; business; affair; responsibility (usually used in negative constructions) eg "be no nevermind of someone's" • It's no nevermind of yourscollinsdictionary.com); забота(concern; business; affair; responsibility (usually used in negative constructions) eg "be no nevermind of someone's" • It's no nevermind of yourscollinsdictionary.com)
collinsdictionary.com 'More)