...If the obstructing substance is hard, this will be a dangerousoperation, but if soft—as in the case of a ripe pear, forexample—this procedure may be safely adopted... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The magical effect of knots in trammelling and obstructing humanactivity was believed to be manifested at marriage not less than atbirth...
Sir James George Frazer 「The Golden Bough」
...The corrupt authorities to which he had submitted, felt an interest in obstructing the practice of his duties, even when he knew them...
Paul Henri Thiery (Baron D'Holbach) 「The System of Nature, Volume 1」
ランダム例文：
diagonals Findley Elyria
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