I'm telling you . I'm telling you {informal} It is important to listen to what I am saying. Marian is a smart girl but I'm telling you, she doesn't always do what she promises. Categories: add yours {informal} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: I Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment