... The artist’s laborious zeal was always of short duration... 
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
...Our course up the river was slow and laborious...
Samuel White Baker 「In the Heart of Africa」
...I owe much to their kindness, and can bear cheerful testimony to the laborious, self-devoting spirit in which they do their duty...
Horatio Bridge 「Journal of an African Cruiser」
...The laborious and important investigations of M...
William Swainson 「Zoological Illustrations, Volume II」
...This is a most laborious operation, as the sticks are large and the bird’sflight is feeble...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...If no relief be now sought, and the disease spreads, thebreathing grows quick at first, and then laborious...
Dinks, Mayhew, and Hutchinson 「The Dog」
...The wool is clapped, the skin hot, the pulse quickand strong, respiration is rapid and laborious, while the blood isthick and black, issuing from the orifice, in attempts at bleeding,drop by drop...
Ambrose Blacklock 「A Treatise on Sheep:」
...It also made his lower lipdroop, even when he signed his name, and altogether was a laborious business...
A. J. Dawson 「Finn The Wolfhound」
...Two hours and more are spent in this laborious stripping...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...A suitable phrase, placed in its correct position and saying without fuss the things we want to say, necessitates a choice, an often laborious choice...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
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