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.
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
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
Security Minister Dan Jarvis said people should be "alert and vigilant" but not "alarmed".
From BBC ● Apr. 30, 2026
“We have to be alert to second round effects but there are risks on both sides.”
From The Wall Street Journal ● Mar. 26, 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
