From Longman Dictionary of Contemporary Englisha labour of lovea labour of loveLIKE somebody OR somethingsomething that is hard work but that you do because you want to → labour
Examples from the Corpus
a labour of love• For Joan it has been a labour of love and provides an amusing and detailed insight into medicine in the town.• It is a labour of love by Professor A. G. Toth and primarily for specialists.• But for Mavis Hindmarsh and her team of volunteers furniture removal is a labour of love.• Male speaker It's a labour of love looking after Dinmore.• But then it was a labour of love.• Compiling such a list was a labour of love - too pleasurable an activity to pursue in office hours.• Mervyn Gowell was a fitter at the plant and says that working on the Meteor was a labour of love.• David Croft and Jimmy Perry's sitcom was a labour of love. 