He was also something of an enigma to New York society.

对纽约社会来说，他神秘莫测。

Zerakis, often whispered about in the shadowed alcoves of the Bene Gesserit, remains an enigma to most.

泽拉基斯经常在贝尼·杰瑟里特阴暗的壁龛里低声议论，但对大多数人来说仍然是个谜。

There was nothing else left to do; after that he would allow the enigma to drop into the abyss of undiscoverable things.

除此之外便不再有其他途径；找过那孩子之后，他将让这个谜沉入那永远无解的深渊。