be on 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.
On top of that, we now have to be on guard at one of the most vulnerable moments of our careers.
From The Wall Street Journal ● Apr. 16, 2026
An extreme heat warning remains in place for most inland areas — and a heat advisory for coastal regions — through Friday, with officials urging people to be on guard for signs of heat-related illness.
From Los Angeles Times ● Mar. 19, 2026
Flynn warned that it’s safer “to be on guard for any outcome over the weekend” — although risk could go either way.
From MarketWatch ● Feb. 6, 2026
The sense of fear is palpable in parts of northern Japan, where some locals have fastened bells to their bags hoping the noise will keep bears away, while signs warn people to be on guard.
From Barron's ● Nov. 8, 2025
This is one of those infamies a prince should be on guard against, as will be discussed below.
From "The Prince" by Niccolò Machiavelli
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