警けい報ほう音おん

noun

warning sound; alarm sound

Refers to an audible alert, such as a siren, buzzer, or beep, used to warn of danger or an emergency.

• 火か災さい報ほう知ち器きの警けい報ほう音おんが鳴なった。

  The fire alarm's warning sound went off.

• 警けい報ほう音おんが聞きこえたらすぐに避ひ難なんしてください。

  Please evacuate immediately when you hear the warning sound.