Alarms are designed to be purposefully loud, discordant, and disturbing. They are supposed to wake sound sleepers from their slumbers when their house is on fire and their lives are at stake.

• 出于警报目的，它必然会设计成为吵闹、刺耳和扰人心神的。 当房间着火，生命安全受到威胁时，希望它能唤醒熟睡的人们。