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.
Still, one must be always upon one's guard!
From Up the Hill and Over by Mackay, Isabel Ecclestone
But when one is specially invited to be candid, one is naturally set upon one's guard.
From Doctor Thorne by Trollope, Anthony
To stand upon one’s guard against Death exasperates her malice and protracts our sufferings.
From Imaginary Conversations and Poems A Selection by Landor, Walter Savage
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
If one don't mind what one's about, one is blown up in a moment; and to be always upon one's guard, is worse than ruin itself.
From The Wanderer (Volume 3 of 5) or, Female Difficulties by Burney, Fanny
