skeleton key

漢語翻譯

英文解釋：

名詞 skeleton key:

1. a passkey with much of the bit filed away so that it can open different locks

例句：

1. The burglars had used skeleton keys or entered over the balcony.
   竊賊或者用了萬能鑰匙，或者是爬越陽台進入房間的。