dan, effort idioms pull your weight = do your fair share of the work get down to work = Stop relaxing, focus on important task work your fingers to the bone = work very hard spare no effort to do something = to work as hard as possible to achieve something burn the candle at both ends = work day and night at something go the extra mile = do more than is expected of you an all-out effort = a very good and thorough effort work your butt (ass) off = work very very hard put your shoulder to the wheel (or to the plow) = work hard put your back into it = physically work very hard at something

Not forgetting 'elbow grease' e.g. It needed a lot of elbow grease to get it clean.

to go all out, to pull out all the stops, to give it everything you've got.