就如同为一只你从未见过的锁，制作一把钥匙一样。要想设计这样一种超级具体的微型代理装置去追查“未知的威胁”，将会是有难度的。
Like making a key for a lock you've never seen, designing an uber-specific microscopic agent to track down an "unknown threat" may prove slightly difficult.
锁止装置可以使用适当的钥匙从锁止位置松开。
The locking device can be released from the locked position only by means of an appropriate key.
这款锁配有两把钥匙，但并不能算是合格的安全装置。因为它由丙烯酸制成，很容易被撬开。
The lock, which comes with two keys, should not be considered as a proper security device however as acrylic is easy to break into.
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