This "learned fear" can protect us from dangers.

这种习得性恐惧可以使我们免受危险。

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The researchers used a common method for studying learned fear.

研究人员使用相同的方法研究习得性恐惧。

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"We showed that light itself does not necessarily enhance fear, but more light enhances learned fear," Wiltgen said.

“我们发现光线本身并不一定增强恐惧，但更多的光线增强了习得性恐惧，”Wiltgen说道。

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I learned about their tawdry dreams, their simple hopes, their home lives their fear of feeling anything deeply, Their sex problems, their husbands.

我很清楚她们的思想，充斥着，俗不可耐的梦想，平凡的生活，她们的家庭,以及对高深东西的抵触，对待性的态度，她们的丈夫。

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There were a few surprises in store for me, though, not the least of which was that I learned that the fear and shame of being known or discovered to be a transsexual person was probably responsible for a tremendous amount of suffering.

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Here he learned toughness and no fear.

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But, as we have learned time and again, fear doesn't listen to facts.

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