To possess profound wisdom and extensive strategic depth, akin to an unfathomably deep abyss filled with whirlpools.
这位老教授的学识如同九旋之渊，深不可测，总能给出独到的见解。
This old professor's knowledge is like an abyss of many whirlpools, unfathomably deep, always offering unique insights.
Era:
Ancient
Frequency:
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