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English definition of “warning/alarm bells start to ring/sound”

warning/alarm bells start to ring/sound

used to describe an occasion when you realize that something is wrong: When Frank suggested coming to stay for a couple of days, alarm bells started to ring in my head.Threats and warnings
(Definition of warning/alarm bells start to ring/sound from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “warning/alarm bells start to ring/sound”

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