on 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.
“Nature here is so strong that one has to be on one’s guard to not be absorbed by it,” wrote Dodge.
From Los Angeles Times • Feb. 16, 2023
It has sniffed at such examples as "directives" for orders, "alerted" for being put on one's guard, "dis-O.K." for withdrawing approval, "deactivate" for abolishing.
From Time Magazine Archive
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One must be on one's guard with such as you.'
From Wilfrid Cumbermede by MacDonald, George
One must, he felt, be hard on oneself, and on one's guard against the vanity of newfangled ideas and against the enervating effect of civilization.
From Seven Icelandic Short Stories by Steingrímur J. Þorsteinsson
It is necessary also to be on one's guard against hasty assignments.
From Special Method in the Reading of Complete English Classics In the Grades of the Common School by McMurry, Charles A. (Charles Alexander)