From Longman Dictionary of Contemporary Englishbe none the wiser/not be any the wiserbe none the wiser/not be any the wisera) to not understand something even after it has been explained to you Charlie explained how the system works, but I’m still none the wiser. b) used for saying that no one will find out about something bad that someone has done He could easily have taken the money and no one would have been any the wiser. → wise
