alarm bells ring

Translations
звонят тревожные колокола
Alarm bells started to ring when she didn't return home on time.
Звонят тревожные колокола, когда она не вернулась домой вовремя.
Definitions
A phrase used to indicate that there are warning signs or signals of potential danger or trouble, prompting concern or caution.
Words
bell

noun
колокол
ring

verb
звенеть