...They sometimes drew their breath with anxious and laborious efforts, and some died of suffocation... 
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
...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」
...But whether in ancient times selection was methodically pursued we may well doubt, when we hear how laborious the work was found by Le Couteur...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...What makes dog-teaching, if not very attractive, at least not laborious,is the fact that the more you impart to a dog, the more readily will hegain further knowledge...
Dinks, Mayhew, and Hutchinson 「The Dog」
...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 Bruchus knows neither the fatigues of the laborious, obliged tolimit the size of her family, nor the misfortunes of the parasite,obliged to produce an exaggerated number of offspring...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...The work is so laborious and the worker so feeble! I cannot tell how long it is since my bantlings attained their object...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...I repeat my laborious expedition to the Bois des Issards over and over again; and each time I see the males as assiduous as ever in skimming over the ground...
J. Henri Fabre 「More Hunting Wasps」
...There is thus no fear that the contents of the cells may become mixed or transposed; and I am saved the trouble of keeping a laborious watch...
J. Henri Fabre 「Bramble-bees and Others」
ランダム例文：
edgings Craig absorbing
便利！手書き漢字入力検索
この漢字は何でしょう？？