一旁绑架他的不明身份的韩国情报人员，正在议论是否做了他。

His kidnappers, presumably from the Korean CIA, were discussing what they would do if, instead of sinking, his body floated back up.

youdao

凯尔·卡塔恩发现一个不明身份的邪恶原力使用者利用原力黑暗面腐蚀了达耶。

Kyle Katarn found Daye corrupted by the dark side of the Force by an unknown evil Force-user.

youdao

更新第三点：自2004年以来一些不明身份的组织、公司或个人已经开始(拍摄)整理数百张这个地区的照片了。

Update 3: some unidentified agency, company or person has been ordering hundreds of photographs of this area since 2004.

youdao

There's never been any agreement, so far as I can tell, as to who it is we're supposed to be imagining the outside observer to be, and there are all sorts of conjectures.

这里的X到底是谁，就我所知，并没有定论,这个置身于外的观察者的身份仍然不明，关于这点又充满了各种各样的推测。

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