From Longman Dictionary of Contemporary Englishsomebody could do worse than do somethingsomebody could do worse than do somethingspokenSHOULD/OUGHT TO used to say that you think that someone should do something He could do worse than marry Eleanor. → worse
Examples from the Corpus
somebody could do worse than do something• A woman could do worse than be a nurse.• In groping for useful precedents, one could do worse than heed the tale of a man named Sherwood Rowland.• He could do worse than spend his evening keeping an eye on her.• You could do worse than take a leaf out of the health economists' book.• The West could do worse than to base its policy towards the Middle East on that aspiration. 