(used in plural) Trouble taken doing something; attention to detail; careful effort.
1918, W. B. Maxwell, The Mirror and the Lamp Chapter 22, Not unnaturally, “Auntie” took this communication in bad part....Next day she...tried to recover her ward by the hair of the head. Then, thwarted, the wretched creature went to the police for help; she was versed in the law, and had perhaps spared no pains to keep on good terms with the local constabulary.
