The burglars had either used skeleton key or entered over the balcony是什么意思

The burglars had either used skeleton key or entered over the balcony是什么意思
The burglars had either used skeleton key or entered over the balcony是什么意思

The burglars had either used skeleton key or entered over the balcony是什么意思
那个贼或者是用了万能钥匙,也有可能是从阳台翻进来.