burglar alarm

音标发音

Even so, he thinks novel approaches such as mobile-based validation may “harden the target”, just as a burglar alarm makes your home somewhat trickier to rob.
即便如此，他也认为，像基于手机的验证技术等新方法可以“使目标更坚固”，就像防盗报警器多少会使你家变得难偷一点。
This “burglar alarm,” scientists speculate, is meant to attract the attention of an even bigger creature that might be able to eat the predator and free the jellyfish.
科学家推断，这种“防盗报警器”是为了引起更大生物的注意，有可能能够吃掉它的敌人，从而将它解救出来。
Unbelievably, the museum didn’t have a functioning burglar alarm, and the thief was able to simply smash a window and remove the pictures from their frames, without incident.
令人难以置信的是，博物馆的防盗报警器并未触发，窃贼仅仅打破了一扇窗就进入博物馆，将名画从框架上取走而无人发现。

By the front door, the burglar alarm resumed its beeping, at a shriller pitch.
NEWYORKER: Outage
The burglar alarm by the front door was peeping and blinking, softly, as if to itself.
NEWYORKER: Outage
You also can put the stuff under your doorway to deter break-ins (the Bubble Wrap burglar alarm) or stuff it in your bra (the Bubble Wrap boob job) or sleep on it (the Bubble Wrap bed).
FORBES: Wrap Star

a device on a building that gives a warning such as making a loud noise or flashing a light, or tells the police, if someone tries to enter the building illegally

A burglar alarm is an electric device that makes a bell ring loudly if someone tries to enter a building by force.