let something go
From Longman Dictionary of Contemporary Englishlet something golet something goa) to not punish or criticize someone for something they have done wrong OK, I’ll let it go this time. b) to stop worrying or thinking too much about something It’s time to let the past go. c) informal to sell something for a particular amountlet something go for £20/$200 etc I couldn’t let it go for less than £300. → letExamples from the Corpuslet something go• They've held the world record for many years, and they're not going to let it go without a fight.