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
This is something England left-back Nico O'Reilly will have to be alert to but given his 6ft 4in height and frame – this is a far more even match-up than Norway have experienced so far.
From BBC ● Jul. 10, 2026
But policymakers will be alert to signs that the energy shock is spilling over.
From The Wall Street Journal ● Apr. 24, 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
Take no risks and be alert to danger.
From "And Then There Were None" by Agatha Christie
