That, though, should have set alarm bells ringing for her because the royals do not have long engagements.

这当时并没有让她提起警惕，因为王室并没有长时间订婚的先例。

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This has set the alarm bells ringing in Moscow.

这已给莫斯科拉响了警报。

《柯林斯英汉双解大词典》

If he set his alarm clock for midnight, it would wake the whole house.

如果他把闹钟设定在午夜，铃声会把全家人都吵醒。

《柯林斯英汉双解大词典》

So, I get up and sometimes I don't set the alarm and I get up late; I stagger out of bed; I wake the kids; I greet the servants; I get ready; I make breakfast.

我起床，有时候忘记调闹钟,结果起床晚了，我从床上踉跄爬起;,我叫醒孩子，跟仆人打招呼，作准备;,做早餐。

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I must have forgotten to set my alarm.

我肯定是忘记设闹钟了。

Must 实战 - SpeakingMax英语口语达人

Scottish Retail Consortium director Ian Shearer said the decline in sales had "set alarm bells ringing" for Scottish retailers.

BBC: Scottish retail sales suffer worst slump since 1999

"The position in which Pembrokeshire County Council finds itself will set alarm bells ringing throughout local government, " the authority said.

BBC: Older person

In other words, the existence of big winnings would surely have set alarm bells ringing that the offsetting nets were fictitious.

BBC: The how but not why of UBS's losing bets