to focus and work hard for a long time
concentrarse y trabajar duro durante mucho tiempo (koncentrarse i trabajar duro durante mucho tiempo)
"He kept his nose to the grindstone and got promoted."
"Él mantuvo su nariz en la piedra de afilar y fue ascendido." (el mantuvo su nariz en la piedra de afilar i fue ascendido)
someone who is very similar to their parent
to stay alert and watch carefully
to achieve something amazing and rare through creativity or...
working closely and harmoniously together
to settle and become established somewhere
to finish something successfully despite difficulties