We can only learn some dead knowledge from the books.

我们只能从书上学到一些死知识。

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Knowledge is dead; the school, however, serves the living.

知识是死的，而学校却是在为活人服务。

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Now this wicked queen had some knowledge of witchcraft, and she knew how to poison a comb, so that whoever used it would fall dead.

现在这个邪恶的王后懂得一些巫术的知识，她知道如何在一把梳子上下毒，无论是谁用了都会死掉。

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The bottom spot was taken handily by Brad Johnson of the Orange County Register, who came in dead last in the Culinary Knowledge and Integrity categories.

FORBES: Tables Turned - Top Chefs Review Pete Wells And Other Restaurant Critics

And if dead and decomposing bodies aren't your thing you can test your knowledge of the rules of taxonomic nomenclature by suggesting new names for five species of deep-sea worm, recently discovered around hydrothermal vents off Antarctica.

BBC: Forensic science uncovered