to work hard and continuously
travailler dur et de façon continue (travailler dur et de facon continue)
"If you keep your nose to the grindstone, you'll achieve your goals."
"Si vous travailler dur sans relâche, vous atteindrez vos objectifs." (si vous **keep your nose to the grindstone**, vous atteindrez vos objectifs)
to make progress easier for others to follow
to show agreement by nodding
the best among a group of people or things
to criticize someone publicly for their behavior or actions
to be unfit or unhealthy due to lack of exercise
to focus on moving forward and not dwell on past mistakes