報ほう知ち機きじ字FuriganaAudioMeanings1na-adjectivealarm; warning deviceRefers to a device that gives an alarm or warning, such as a fire alarm or security alarm. Often used in compound terms like 火災報知機 (fire alarm).火か災さい報ほう知ち機きが鳴なったので、すぐに避ひ難なんした。Break this sentence down in the analyzerThe fire alarm went off, so we evacuated immediately.このビルには最さい新しんの報ほう知ち機きが設せっ置ちされている。Break this sentence down in the analyzerThis building is equipped with the latest alarm devices.