have one's nose to the grindstone . have one's nose to the grindstone See: KEEP ONE'S NOSE TO THE GRINDSTONE. No categories: add yours Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: H Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss