From Longman Dictionary of Contemporary Englishbring down the curtain on somethingbring down the curtain on somethinginformalFINISH/COME TO AN END to cause or mark the end of a situation or period of time The decision brought down the curtain on a 30-year career. → curtain
Examples from the Corpus
bring down the curtain on something• Now I think we should bring down the curtain on this little episode, and go to bed. 