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Translation and English learning by Britannica
merriam webster
on the alert
En alerta
Microsoft® Translator
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on, the, alert.

alert noun

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alerts
alerta, alarma

Example sentences of
alert noun

  • They sounded an alert when enemy planes were approaching the city.
  • Medical officials have put out an alert to hospitals to look out for the virus.
  • The government has issued a terrorism alert.