Keep your nose to the grindstone Neutral

To work hard and continuously, without stopping to rest, especially over an extended period.

It carries a slightly weary or dutiful tone, often used when praising someone’s diligence or urging them to stay focused on a demanding task.

Contrary to the popular story that this phrase comes from millers pressing their noses to a millstone to check by smell whether the grain was overheating, the earliest documented use points to a different craft entirely. The phrase first appears in print in John Frith’s 1532 religious tract “A Mirror or Glass to Know Thyself,” where he wrote that a certain harsh reading of scripture “holdeth their noses so hard to the grindstone, that it clean disfigureth their faces” — a grindstone here being the wheel used by knife-grinders and other metalworkers to sharpen blades, not the millstone used to grind flour. Etymologists note that “millstone” and “grindstone” were already distinct terms by 1400, which undercuts the miller theory. Early citations consistently describe someone else “holding” a person’s nose to the grindstone, framing it as an act of harsh compulsion or punishment rather than a chosen occupational habit — closer to forcing a worker to bend low and stay bent over a sharpening wheel for hours. Only later, by the 19th century, did the phrase soften into today’s more neutral sense of simply working hard and applying oneself with discipline.

Since the promotion, Elena has kept her nose to the grindstone every single week, arriving early and leaving late.

If you want to pass the bar exam this time, you’ll need to keep your nose to the grindstone for the next three months.

The coach reminded the rookies that talent alone wasn’t enough — they had to keep their noses to the grindstone in every practice.

A: How did you finish the whole renovation in one weekend? B: We just kept our noses to the grindstone from Friday night to Sunday evening.