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.
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)
Their preoccupation spread around them an atmosphere of "constraint and ennui; one had to be upon one's guard and to check oneself."
From The Ancient Regime by Durand, John
One must be so circumspect—so much upon one's guard with all the world.
From Tales and Novels — Volume 05 by Edgeworth, Maria
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
