From Longman Dictionary of Contemporary Englishsomebody would do well to do somethingsomebody would do well to do somethingADVISEused to advise someone that they should do something Most people would do well to reduce the amount of salt in their diet. → do
Examples from the Corpus
somebody would do well to do something• This is highly regarded and influential in police circles and the social worker would do well to be aware of its thinking.• Parents would do well to discuss them with their doctor or hospital personnel before birth. 1.• However, managers would do well to first address their own personal fears and discomfort.• Kansas City would do well to follow their example.• Nelson would do well to keep her political views out of her work.• Our selectors would do well to not pay too much attention to birth certificates.• She would do well to remember that.• It's a motto the world of fundraising would do well to remember.• And President Dole or President Clinton would do well to take advantage of the services of such a splendid fellow. 