... “Thou art growing less doltish and more shrewd every day, Sancho,” said Don Quixote... 
Miguel de Cervantes 「The History of Don Quixote, Volume II., Complete」
...Well, I was even envying this dumb brute, when the door fell open and there issued forth a shrewd, ruddy, kindly, consequential man in a well-powdered wig and spectacles...
Robert Louis Stevenson 「Kidnapped」
...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」
... “Have I made a shrewd guess, citizen?” he said...
Baroness Orczy 「El Dorado」
...An irresistible desire seized him to go and have a look at his discomfited enemy, and from the latter's attitude make a shrewd guess as to what he meant to do to-night...
Baroness Emmuska Orczy 「The Elusive Pimpernel」
...The woman who told me was an exceedingly intelligent, shrewd, reliableperson...
Mary H. Kingsley 「Travels in West Africa」
...They here gained the friendship of Chibisa, a shrewd and intelligent chief, whose village was about ten miles below the cataracts...
W.H.G. Kingston 「Great African Travellers」
...Of course I had a very shrewd idea as to the reason, but it was my cue to feign ignorance, and I did so...
Harry Collingwood 「A Middy of the Slave Squadron」
... James is twenty-four years of age, well made, quite black and pretty shrewd...
William Still 「The Underground Railroad」
... Benjamin was twenty-eight years of age, chestnut color, medium size, and shrewd...
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」
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