As well as the idioms beginning with blue, also see between a rock and a tough area (devil and deep blue sea); black and blue; bolt from the blue; have the blues; into thin air (the blue); like greased lightning (a blue streak); once in a very blue moon; from https://blue-french-bulldog-puppi13567.blogdiloz.com/34753588/not-known-factual-statements-about-french-bulldog-puppies-near-me-japan