nose to the grindstone

nose to the grindstone

A phrase said of one who is working hard and/or diligently on something. Sometimes used as an imperative. I'm so impressed your grades, honey—you really put your nose to the grindstone this year, and it paid off! I've got to keep my nose to the grindstone if I'm going to get this promotion. We need to finish this project tonight! Nose to the grindstone, people!
See also: grindstone, nose