From Longman Dictionary of Contemporary Englishit’s a crimeit’s a crimespokenBAD BEHAVIOUR OR ACTIONS said when you think something is very wrong, and someone should not do it It would be a crime to waste all that good food. → partners in crime at partner1(5), → white-collar(2) → crime
Examples from the Corpus
it’s a crime• It's a crime to throw away all that food.• It's a crime you never took it up, darling.• You tell me that it's a crime to fall in love. 