...“It’s a great life ifyou don’t weaken... 
John Buchan 「Mr. Standfast」
...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」
...Not to weaken my argument with too many general statements, let metake at once some concrete cases...
William T. Hornaday 「Our Vanishing Wild Life」
...They further weaken the system so that it can no longer resist andovercome the trouble...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Two or three larvæ thusimbedded serve to weaken the plant and cause it to wither and die...
Alpheus Spring Packard 「Our Common Insects」
...Abolition in these States,therefore, began to weaken and rapidly declined during the thirties...
Various 「The Journal of Negro History, Vol. I. Jan. 1916」
...These arcades andpassages have tended to weaken the structure, and it has been foundnecessary to strengthen it with numerous iron tie-rods, iron beams,etc...
Dugald Butler and Herbert Story 「Scottish Cathedrals and Abbeys」
...Nothing is added—no water to weaken and adulterate, no sugar tosweeten, no coloring essence to deceive the eye...
Various 「Armour's Monthly Cook Book, Volume 2, No. 12, October 1913」
...Most flowers give out their coloring matter to alcohol or water--butthe former is found to weaken, and in some cases to dischargealtogether these colors; but they are in most cases restored in drying...
Henry H. Snelling 「The History and Practice of the Art of Photography」
...he body seemed to weaken suddenly in Bell's grip...
Various 「Astounding Stories of Super-Science, May, 1930」
...Do these fortifyor weaken his case?...
George C. Comstock 「A Text-Book of Astronomy」
...A cause produces its effect only when it is not interrupted in its action by other causes which are stronger, or which weaken the action of the first cause or render it useless...
Jean Meslier Anna Knoop 「Superstition In All Ages (1732)」
ランダム例文：
wheedle hindquarter prepositions
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