...encanijar, to weaken, cause to pine away... 
Gustavo Adolfo Becquer 「Legends, Tales and Poems」
... We, to the utmost of our power, weaken and dissolve the universal tie that binds and unites mankind...
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
...He is then sentto a hot bath, to weaken his strength...
Angelo de Gubernatis 「Zoological Mythology, Volume I (of 2)」
...His docility and mentalpliability exceed those of any other animal; his habits are social,and his fidelity not to be shaken; hunger cannot weaken, nor old ageimpair it...
Edward Jesse 「Anecdotes of Dogs」
...A sow is capable of conceiving at the age of six or seven months; but itis always better not to let her commence breeding too early, as it tendsto weaken her...
Robert Jennings 「Sheep, Swine, and Poultry」
...Overcrowding in a cold drafty hutch in severe weathermay so weaken the mother that she bears weakones...
A. C. Smith 「The Raising and Care of Guinea Pigs」
...Grubs weaken cattle, cause them to fall off in flesh and milk, and decreasethe value of the hide...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...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」
...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」
...Do these fortifyor weaken his case?...
George C. Comstock 「A Text-Book of Astronomy」
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