...The emperor made fruitless efforts to check this general despondency... 
George Grote 「The Two Great Retreats of History」
... All his investigations proved fruitless...
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
...In the end, however, my hunt proved fruitless, for after atime the traces of blood ceased and the surface of the ground becamerocky, so that I was no longer able to follow the spoor...
J. H. Patterson 「The Man-eaters of Tsavo and Other East African Adventures」
...All the efforts we made were fruitless...
W.H.G. Kingston 「The Two Supercargoes」
...Colon usually did, with clingingto the saddle, and uttering numberless expostulatorybut fruitless "whoa's...
W. E. Webb 「Buffalo Land」
...After a week or two of fruitless effort to winback Lady's interest, Lad coldly and wretchedlygave up the attempt...
Albert Payson Terhune 「Lad: A Dog」
...You should always check a wild dog in racing afterpigeons and small birds on their rising; whereas you should encourage atimid dog—one who clings to "heel"—in such a fruitless but excitingchase...
Dinks, Mayhew, and Hutchinson 「The Dog」
...The Spanish government perceived its fatal mistake too late, andsubsequent efforts to gain its lost vantage-ground in respect to thismanufacture proved fruitless...
Robert Jennings 「Sheep, Swine, and Poultry」
...The investigations madethus far for this causal factor have been fruitless...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Barely missing the crying baby, as the runabout jerked forward, he madea fruitless attempt to run down the raging collie...
Albert Payson Terhune 「Further Adventures of Lad」
...Let us leave the unhappymother to continue her fruitless task and turn our attention to theyoung larva which has so adroitly secured itself board and lodging...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
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