double-locked

例句：

1. 1.The safe is double-locked, so you can't open it without a key.
   这个保险箱是双重锁定的，没有钥匙你打不开。
2. 2.The car was double-locked, and I couldn't get in until the keys were handed over.
   这辆车是双重锁定的，我直到钥匙被交出来才能进入。
3. 3.The safe is double-locked, so we need to find another way to access it.
   这个保险箱是双重锁定的，所以我们需要找到另一种方法来打开它。