Hard work (4)
'hard work' is the definition.
(graft can mean working hard)
This is all the clue.
(Other definitions for graft that I've seen before include "Labour" , "Shoot; hard work" , "Surgical transplant" , "Hard work - illicit gain" , "Hard work - swindle" .)
'hard work' is the definition.
(a slog is a long or difficult task)
This is the entire clue.
(Other definitions for slog that I've seen before include "Make a wild cricket stroke" , "big hit" , "Wild cricket hit" , "Walk hard carrying logs?" , "Exhausting task" .)
'hard work' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for toil that I've seen before include "Drudgery" , "Work extremely hard" , "Hard physical work" , "Work hard and long" , "Work hard, labour" .)
'hard work' is the definition.
(travail can mean hard work or effort)
This is the entire clue.
(Other definitions for travail that I've seen before include "In old use, the pains of childbirth" , "Toil - anguish" , "Labour, toil" , "Use of physical or mental energy; excessive labour..." , "Painful or laborious effort, like childbirth" .)
(Other definitions for arduous that I've seen before include "Backbreaking" , "Punishing" , "Gruelling, strenuous" , "Fatiguing (task)" , "Difficult, tiring" .)
'hard work' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for labour that I've seen before include "Workforce" , "Hard work, party" , "End of term" , "What mothers have been through" , "Hard work, toil" .)
'hard work' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for elbow grease that I've seen before include "Vigorous physical effort" , "Hard physical effort" , "Hard physical work (informal)" , "Vigorous physical labour involving hard rubbing" , "Hard rubbing (colloq.)" .)
'hard work' is the definition.
(being industrious)
This is the entire clue.
(Other definitions for industry that I've seen before include "The manufacture or production of goods" , "Steady application - to manufacturing?" , "Work (of manufacturing)" , "Commercial enterprise, the making of goods, say" , "Hard work" .)