... It was a shrewd, sharp thrust aimed at the jury, and it reveals, I think, the alertness of the man's mind, his self-possession ever steadiest in moments of dire peril... 
Rafael Sabatini 「Captain Blood」
... His choice of a messenger was shrewd...
Rafael Sabatini 「Captain Blood」
...Soon the shrewd Wolverstone discovered that rum was not what ailed Blood...
Rafael Sabatini 「Captain Blood」
...A moment afterwards a man made his appearance, with an anxious, restless look, shrewd expression of the mouth, with short arms, and his back somewhat bent...
Alexandre Dumas, Pere 「Ten Years Later」
... Smiling, urbane, with a curious look that almost expressed amusement lurking in his shrewd, pale eyes, Chauvelin handed the momentous document to Armand...
Baroness Orczy 「El Dorado」
... “It might be, but let us discuss it—to pass the time,” said Sapt; and he leant forward, looking into the servant’s quiet, shrewd face...
Anthony Hope 「Rupert of Hentzau」
...The woman who told me was an exceedingly intelligent, shrewd, reliableperson...
Mary H. Kingsley 「Travels in West Africa」
...I was positive the unknown was an Englishman, but she was so shrewd that I really believed her, and kept out of sight as she directed, while she sent her brother to question him...
Lady Sarah Wilson 「South African Memories」
...Colonel Hicks, of whom I have before spoken in this Journal, is one of the most shrewd, active and agreeable men in the colony...
Horatio Bridge 「Journal of an African Cruiser」
...Harriet was herself, a shrewd and fearless agent, and well understood the entire route from that part of the country to Canada...
William Still 「The Underground Railroad」
... Benjamin was twenty-eight years of age, chestnut color, medium size, and shrewd...
William Still 「The Underground Railroad」
...In order to get rid of this heavy load, by shrewd management he gained access to the kind-hearted Captain and procured an Underground Rail Road ticket...
William Still 「The Underground Railroad」
...He was shrewd enough to find an agent, who gave him private instructions, and to whom he indicated a desire to travel North on said road...
William Still 「The Underground Railroad」
... Robert was too shrewd to be entrapped by the above reward...
William Still 「The Underground Railroad」
...He was shrewd, willing to stoop to anything in order to win...
W. E. B. Du Bois 「The Quest of the Silver Fleece」
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