continuous fire alarm bell; urgent fire warning bell
A fire alarm bell rung continuously to signal that a fire is extremely close and immediate danger is present. The term is historically associated with fire lookout towers and traditional firefighting. Cross-referenced with 擦り半.
See also: 擦り半
The sound of the continuous alarm bell from the fire lookout tower warned that the fire was approaching very close.
sound of the continuous fire alarm bell
Refers specifically to the ringing sound produced by the 擦り半鐘 alarm, often described as a rapid, urgent clanging.
The sound of the continuous fire alarm bell echoed incessantly from afar.