例文・使い方で印象づける「weaken」の覚え方
スポンサーリンク...“They believe in necromancy, and have their conjurers, who do much harm, and are our chief opponents, as we weaken their influence, and consequently their profits... 
Captain Frederick Marryat 「The Mission; or Scenes in Africa」
...The care of a family must distract his attention and weaken his efficiency; and herein, it may be, consists one great advantage which the Catholic missionary possesses over the Protestant...
Horatio Bridge 「Journal of an African Cruiser」
...Asto setons, they are useless during the active stage; and if continuedafter it has passed, they annoy and weaken the poor patient: in fact,nothing must be done which has not hitherto been proposed...
Dinks, Mayhew, and Hutchinson 「The Dog」
...after the nicotin solution isadded, as heat is liable to evaporate the nicotin and weaken the dip...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Indeed the Kayans of CentralBorneo go so far as to hold that to touch a loom or women’sclothes would so weaken a man that he would have no success inhunting, fishing, and war...
Sir James George Frazer 「The Golden Bough」
...These injudicious performanceshave tended to weaken instead of strengthen thetower...
A. Hugh Fisher 「Bell's Cathedrals: The Cathedral Church of Hereford, A Description」
...Thus, to place whitebeside a colour is to heighten its tone; to set black beside a colour isto weaken its tone; while to put grey beside a colour, is to render itmore brilliant...
George Field 「Field's Chromatography」
...Light flying clouds happened, at the time, to weaken the intensity ofhis light, so that he was able to show the spots to his pupils...
David Brewster 「The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler」
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