The finest edge is made with the blunt whetstone.

最好(锋利的)刀口是由钝的磨刀石磨成的.

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A fine - grained whetstone for giving a keen edge a cutting tool.

人能用青铜做成一种刃口锋利的切削工具.

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Competition is the whetstone of talent.

竞争磨炼才能.

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With justice as its whetstone, the multiverse shall achieve perfection.

以正义为其磨刀石, 多宇宙将可到达完美的地步.

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Emulation is the whetstone of wits.

竞赛是智力的磨刀石.

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