保险门 meaning in Chinese

arming shutter
door with panic bolt set
security door

However , there was actually no videotape in the video player at the time . a few minutes later , four strangers with the key broke into our house and walked into our dining room . one was about 40 years old and wore a large beard , and the others were about 20 years old
不一会儿，有四个陌生人用钥匙打开我们家两道保险门，然后就进到客厅来，其中一位大约四十多岁，蓄着大胡子，其馀三人都是二十多岁的年轻人。
When i came home at noon , i found that the security lock , which i clearly remembered having locked , was open . i then asked my father - in - law about it and realized that master s transformation body had helped us evade a disaster . she had not only protected our lives and property , but also seized the chance to educate and save the souls of the intruders
我们在中午下班后回到家，发现早上出门时用钥匙锁住的保险门却是开着的，向公公问明原委后，才知道原来是化身师父帮我们化解了一场劫难，师父不仅保护了我们生命及财产的安全，同时也透过这个机会度化了那四位不速之客。