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

He who reads as reflectively as he should will soon find out that philosophers "call names" much as other men do, and that one should always be on one's guard.

From An Introduction to Philosophy by Fullerton, George Stuart

"But," she added a moment later, "I thought that I ought to be always on my guard; and one cannot be on one's guard without thinking about the matter."

From A Life Sentence A Novel by Sergeant, Adeline

To be on one's guard; to be cautious; to take care; Ð commonly followed by of or lest before the thing that is to be avoided.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah