raise the alarm

idiomPart ofraise

raise the alarm — idiom

1. to warn people of danger or to make people aware of a serious problem or threat.

1.慣用語
釋義

to warn people of danger or to make people aware of a serious problem or threat.

例句

A neighbour saw smoke coming from the house and raised the alarm immediately.

Environmental groups have raised the alarm about the rapid loss of forest in the region.