be alert
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.
The US government has urged Americans across the Middle East to be alert and ready to leave "should there be escalation" in the region.
From BBC ● Aug. 1, 2026
Security Minister Dan Jarvis said people should be "alert and vigilant" but not "alarmed".
From BBC ● Apr. 30, 2026
That means investors trying to predict where Bitcoin goes next will have to be alert to where the U.S.-Iran talks go and how durable any agreement reached appears to be.
From Barron's ● Apr. 10, 2026
Schnabel said the experience of 2022 has taught policymakers what to look out for as warning signs when they are assessing the impact of an energy shock, and they should be alert.
From The Wall Street Journal ● Mar. 27, 2026
"Space travel is dangerous. They need to be alert and undistracted. They're sad that they lost a crewmate, but they'd be devastated if they found out they'd abandoned him alive."
From "The Martian" by Andy Weir
