false alarm in a sentence

Examples

1. Five weeks ago, she endured a devastating false alarm.
2. Sometimes, floating coconut shells or cans cause false alarms.
3. _Research improved emission sensors that issue fewer false alarms.
4. He'd been getting false alarms on his security system.
5. They swept the whole area and said, false alarm.
6. Still, she said, responding to false alarms drains resources.
7. For all that smoke, it is a false alarm.
8. Usually, these things turn out to be false alarms,
9. At least, astronomers think it was a false alarm.
10. "Is this a false alarm ? " she asked.