English noun: elbow grease
|1.||elbow grease (act) use of physical or mental energy; hard work|
|Samples||He got an A for effort.|
They managed only with great exertion.
|Synonyms||effort, exertion, sweat, travail|
|Broader (hypernym)||labor, labour, toil|
|Narrower (hyponym)||application, detrition, difficulty, diligence, exercise, exercising, friction, least effort, least resistance, overexertion, overkill, physical exercise, physical exertion, pull, rubbing, strain, straining, struggle, supererogation, trouble, workout|