To spend all your time studying
Pasar todo tu tiempo estudiando (pazar todo tu tiempo estuadiando)
"He buried himself in books before the finals."
"Se enterró en los libros antes de los exámenes finales." (se enterró en los libros antes de los examenes finales)
to give everything you can to help someone
to turn out well or produce a good result
to set a higher standard or level of quality
an achievement to be proud of
to achieve something very difficult
someone who has influence in the selection or appointment of...