在最后一组实验中，科学家测试诸如“铁石心肠”、“她像块石头”这类比喻。首先，作为魔术的一部分，人们先是触摸一个木块或是一张柔软的毯子。

In a final pair of experiments, the scientists tested metaphors like "hard-hearted" and "she's a rock" by first having people touch either a wooden block or a soft blanket as part of a magic trick.

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你的心像块石头一样硬…（铁石心肠）

Your heart is as hard as a stone.

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石头挤不出血来（铁石心肠那有泪）。

You cannot get blood out of a stone.

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