| 1. | The thieves ran away when the burglar alarm went off .
防盗警报器一响，盗贼立刻逃走了。 |
| 2. | The guard loosed the dogs when the burglar alarm went off .
防盗警报器一响，警卫就放出了警犬。 |
| 3. | They stayed underground for twenty minutes and waited for the siren to sound again .
他们在地下呆了二十分钟，等候警报器再一次响起。 |
| 4. | On large ranches, copters have sirens for scaring out cattle lost in the bush .
在大的牧场里，直升机装有警报器，可以把失散的牛从灌木丛中吓出来。 |
| 5. | Audible and or visual signaling appliances for fire alert
火灾声和或光警报器 |
| 6. | The crowd panicked at the ringing of the siren
听到警报器响，人群惊慌失措。 |
| 7. | Or even the sign with no alarm at all
甚至这个警示牌根本就没有安装警报器。 |
| 8. | - what ' s going on ? - the perimeter sensor ' s been tripped
什么事？警报器被触动了 |
| 9. | If anyone tamper with this door it trip the alarm
要是有人撬这扇门，就会触响警报器。 |
| 10. | The window - maybe there ' s an alarm . the window
撞窗户，也许有个警报器的 |
