**Here are 10 examples of using the word «alert» in English:**
1. The security guard sounded the alarm to alert the police about the suspicious person.
2. She received an alert on her phone informing her about a traffic jam on her usual route.
3. The fire alarm went off, and everyone had to evacuate the building immediately.
4. The weather forecast issued an alert about a tornado approaching the area.
5. The hospital staff was on high alert after receiving reports of a possible terrorist attack.
6. The teacher gave a quick alert to remind the students about the upcoming exam.
7. The app sent an alert when the package was delivered to the recipient's address.
8. The airport authorities issued an alert about a missing child on a flight.
9. The police received an alert about a car theft in the neighborhood.
10. The emergency services were put on alert after receiving a report of a natural disaster.