inquire within
An instruction that one should ask for more information about something inside a particular place. Typically written on signs posted outside of businesses. Help wanted, inquire within. Hey, the sign outside said, "Inquire within," so here I am! Can I get an application for the job?
inquire within
to ask questions of a person inside [some place, such as a store or office]. (Formula. On a sign posted outside.) "Help wanted. Inquire within," read the sign on the door. If you want to apply, you must inquire within.