buckle down carry through cut loose do to perfection do up brown drive drive on endeavor exhaust every move follow out follow through follow up forge ahead give way to go ahead go all lengths go flat out go for broke go the limit go unrestrained go whole hog hump hump it hustle knuckle down lay to leave nothing hanging leave nothing undone let go let her out let loose make things hum open her up open up overlook nothing ply the oar press on push run wide open run wild scramble see it through see out shoot ahead shoot the works spare no effort step lively strain every nerve