upon one's guard
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Topt, to go out sharp, to be upon one’s guard.
Is it possible, under such circumstances, always to be upon one's guard?
From The Huguenot: (Volumes I-III) A Tale of the French Protestants. by James, G. P. R. (George Payne Rainsford)
It is well to be upon one's guard.
From Old Kensington by Thackeray, Miss
He had known in abundance women of courage, women of skill in dissimulation, but he remembered that when they were both beautiful and clever it was the part of wisdom to be upon one's guard.
From The Secret Witness by Gibbs, George
But when one is specially invited to be candid, one is naturally set upon one's guard.
From Doctor Thorne by Trollope, Anthony
