set alarm bells ringing

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set alarm bells ringing

To cause concern due to being an indication that there is something wrong. The new report set alarm bells ringing among the board members because it forecasts a large decrease in enrollment. If your date asks you to meet in a secluded place, it should set alarm bells ringing.
See also: alarm, bell, ring, set
References in periodicals archive ?
WASPS boss Dai Young has revealed the root cause of the injury crisis setting alarm bells ringing in English rugby.
It will be setting alarm bells ringing for anyone younger with the risk it will continue to rise at a faster rate.
The trial delighted those who overthrew him, setting alarm bells ringing for other autocrats around the Arab world.
Teachers are concerned that pupils are dealing with each other in a 'sexualised' manner - with even games such as kiss-chase setting alarm bells ringing.
EVERTON manager Roberto Martinez insists there is no issue with striker Romelu Lukaku's future at the club - despite comments from his new agent setting alarm bells ringing among fans.