What is another word for has nose to grindstone?
Pronunciation: [hɐz nˈə͡ʊz tə ɡɹˈa͡ɪndstə͡ʊn] (IPA) 
The phrase "has nose to grindstone" refers to someone who is working diligently and relentlessly to achieve their goals. Synonyms for this phrase could include "focused," "determined," "hardworking," "persistent," "tenacious," "driven," and "unwavering." Another way to describe someone with their nose to the grindstone could be "putting their all into their work," "grinding away," or "pouring all their effort into the task at hand." Whatever the descriptor, the goal is to convey the image of someone who is fully committed to their work and achieving success through their effort and dedication.
