alarm bell

Traduzioni
сигнал тревоги
The sudden drop in sales set off alarm bells in the company.
Внезапное падение продаж вызвало сигнал тревоги в компании.
Definizioni
A device that produces a loud sound to alert people to danger or to signal an event, often used in security systems, fire alarms, or as a warning signal.
Parole
bell

noun
колокол