Aún no tenemos significados para "looked shrewd".
1He almost looked shrewd as he smiled over Anthony's hat.
2She looked shrewd and tough.
3The bounder was interested, but, after a bounder's fashion, was either nervous or imagined that a show of hesitation looked shrewd.
4Anthony caught the smile, hesitated and looked shrewd, and then covered his confusion by holding his plate to Mrs. Sumfit for a help.
5"Oh, yes." Custer nodded and looked shrewd.
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