to work hard on something for a long period
travailler dur sur quelque chose pendant longtemps (travailler dur sur quelque chose pendant longtemps)
"She grinded away at her studies to pass the exam."
"Elle a travaillé dur dans ses études pour réussir l'examen." (elle a travaille dur dans ses etudes pour reussir lexamen)
in a state of confusion or disorder
alert, smart, and quick to react
when anger becomes too much to control
to persuade someone to do something by being persistent
to continue to hope or work toward a goal even after setback...
to forget or stop being aware of something