false alarm

• Ситуация, в которой подаётся предупреждение или сигнал о чём-то опасном или срочном, но в итоге это оказывается ошибочным или ненужным.

A situation in which a warning or signal is given about something dangerous or urgent, but it turns out to be mistaken or unnecessary.

1. Unnecessary warningB1formal

   A warning or signal that is given but turns out to be unnecessary or incorrect.

   Ложная тревога

   • The fire drill turned out to be a false alarm.
   • The security system triggered a false alarm last night.
   • Don't worry, the test results were a false alarm.

2. Misleading situationB1informal

   A situation where something appears to be a problem or danger but is not.

   Ложная тревога

   • The news about the storm was a false alarm.
   • His sudden illness was just a false alarm.
   • The report of a data breach was a false alarm.