From Longman Dictionary of Contemporary Englisha millstone round/around somebody’s necka millstone round/around somebody’s neckPROBLEMsomething that causes a lot of problems for someone, and that they cannot get rid of Inflation is still a millstone round the neck of British businesses. → millstone
Examples from the Corpus
a millstone round/around somebody’s neck• This particular heritage may be a millstone around the neck of scientific natural history. 