set off alarm bells

also ring alarm bells

to warn of trouble and the need for action The report about worldwide climate change should sound alarm bells in every community.

Name	Pronounced	Usage
Creighton	KRAY-tən	English (Rare)
Gaia	GAY-ə (English), GIE-ə (English), GAH-yah (Italian)	Greek Mythology, Italian
Compton	['kɔmptən]
Rodney	RAHD-nee	English
Phyllida	FIL-i-də	English (Rare)
Edorta	-	Basque