...It was a laborious existence, sedentary and remunerative... 
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
... The artist’s laborious zeal was always of short duration...
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
...But if at times in the laborious perusal of them—they are preserved in the library of Mr...
Rafael Sabatini 「Captain Blood」
...Several times during these two days was I disappointed after most laborious stalking and creeping along the ground...
Henry M. Stanley 「How I Found Livingstone」
... The carrying on of these different objects, together with the writing which was connected with them, proved very laborious, and occupied almost all my time...
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
...It was less laborious but most uncertain...
Stewart Edward White 「African Camp Fires」
...In this laborious work, I have collected many interesting facts which I shall share with my friends and the public as soon as I have leisure...
P. J. Proudhon 「What is Property?」
... Then I commenced a most laborious investigation...
P. J. Proudhon 「What is Property?」
... inthis dark and laborious life...
Various 「Mother Earth, Vol. 1 No. 3, May 1906」
...Is a much more laborious method, from the difficulty ofkeeping in motion such large quantities of fluid...
Richard L. Allen 「Domestic Animals」
... Doubtless the man really believed that but for the laborious days that bird-catchers spend lying on the grass, the human race would be very badly off...
W. H. Hudson 「Birds in Town and Village」
...Its flight is slow and laborious, while it moves on the ground and intrees with a quickness and freedom equal to that of our better knownBluejay...
Various 「Birds Illustrated by Color Photograph [April, 1897]」
...It is, in a way, the history of many of us; not odiousscoundrels worthy of eternal torments, but worthy and laborious folk,useful to their neighbours...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...The draftsmanship is so accurate that it is easy to deduce from it beautiful theorems, which would be very laborious to work out by the calculus...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...On the contrary, the parasite leads a laborious life, harder than that of the worker...
J. Henri Fabre Alexander Teixeira de Mattos 「The Mason-bees」
...The efforts of the most laborious of lives have ended in this lamentable relic...
J. Henri Fabre Alexander Teixeira de Mattos 「The Mason-bees」
... The sapping is a laborious task, for the galleries run to a great depth...
J. Henri Fabre 「More Hunting Wasps」
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