1.That third party Eavesdropper do not know whether there is a general document which embedding secret information.
即第三方无从知道一般文档里面是否还有秘密信息。
2.An eavesdropper might sabotage a receiver's detector, causing qubits received from a sender to leak back into a fiber and be intercepted.
窃听者可以破坏接收者的侦测器，让来自传送者的量子位元回漏到光纤而被拦截。
3.The receiver should be able to detect an eavesdropper and take appropriate countermeasures.
信息的接收方可以发觉有人窃听，并据此采取相应的措施。
4.The theory is simply that the eavesdropper will not know how to decrypt the message.
其原理只不过是窃听者将不知道如何对消息解密。
5.An eavesdropper could, in theory, steal an extra photon and use it to help decode a message.
理论上，窃听者可以偷取额外的光子，拿它来协助解开讯息。
6.However an eavesdropper can interne in the legal users' communication without violate the physical principles.
但是窃听者可以在不违反物理原理的基础上对量子密码的产生过程进行攻击。
7.Alice and Bob can detect the presence of the eavesdropper by comparing selected bits and checking for errors.
爱丽丝与鲍伯可以选择性地比较一些位元，并检查错误，来侦测是否有窃听者。
8.Reading the book is like being an eavesdropper as two companions take a long country walk.
读这本书就像是偷听两个在乡村道路上漫步的人一样。
9.Now that there is one, the eavesdropper's days may be numbered .
既然现在有这样的设备了，偷窥者的好日子将屈指可数。
10.And the system works not only when there is an intelligent eavesdropper on the line, but also when data become corrupted accidentally.
这个系统能发现的不光是一个在线的有智能的窃听者，同样的，数据被意外窜改时，其也同样有作用。