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 had earlier urged Americans across the Middle East to be alert and ready to leave "should there be escalation" in the region.
From BBC ● Aug. 2, 2026
MLB rules stipulate that batters must be alert and engaged with the pitcher when the clock reaches eight seconds or else they will receive a strike.
From The Wall Street Journal ● Jul. 23, 2026
But policymakers will be alert to signs that the energy shock is spilling over.
From The Wall Street Journal ● Apr. 24, 2026
The Met had earlier promised an increased police presence in response to the protest, adding officers would be "alert to any behaviour that crosses the line from protest into criminality".
From BBC ● Mar. 28, 2026
Take no risks and be alert to danger.
From "And Then There Were None" by Agatha Christie
