labilise

例句：

1. 1. The oldbuilding was labilised by the earthquake.
   地震使这座老建筑变得不稳定。
2. 2. The diseaseweakened his immune system.
   这种疾病削弱了他的免疫系统。
3. 3.The weight of the load made her legsweak.
   负载的重量使她的腿变得虚弱。