名詞 burglar alarm:

1. a loud warning signal produced by a burglar alarm
2. a warning device that is tripped off by the occurrence of a burglary

1. If you will lend me your ear for a minute, I will explain how the burglar alarm works.
   如果你愿意聽一會兒，我就講講防盜警報器是怎樣工作的。
2. The burglar alarm was activated by mistake.
   防盜鈴誤響了。
3. The guard loosed the dogs when the burglar alarm went off.
   防盜警報器一響，警衛(wèi)就放出了警犬。
4. The thieves ran away when the burglar alarm went off.
   防盜警報器一響，盜賊立刻逃走了。