persevere persist slog plod beaver graft plug plug away beaver away exert oneself grind away work hard hammer away keep at it soldier on apply oneself work away stick at stick with it get your head down grin and bear it stick it out carry on hang in there keep going put up with it see it through stay with it struggle on bash on grit your teeth lump put up with ride out smile and nod give apply dedicate devote commit consecrate address administer bear down be diligent be industrious buckle down concern oneself give all one's got give best shot knuckle down occupy oneself pour it on pull out all stops tackle attack confront grapple with attend to deal with undertake concentrate on field focus on handle manage maneuver(US) manipulate manoeuvre(UK) negotiate see to turn to apply oneself to More