警报器 (jǐng bào qì) — siren (loud warning device); alarm (warning device)

Definition

Examples

• 那辆警车的警报器响了。
  Nà liàng jǐng chē de jǐng bào qì xiǎng le.
  That police car's siren went off.
• 大楼里的警报器突然响了起来。
  Dà lóu lǐ de jǐng bào qì tū rán xiǎng le qǐ lái.
  The alarm in the building suddenly went off.
• 他买了一个新的警报器安装在门口。
  Tā mǎi le yí gè xīn de jǐng bào qì ān zhuāng zài mén kǒu.
  He bought a new alarm and installed it at the door.