一个人面对猛兽的血盆大口、尖牙利爪和可以瞬间致死的兽性力量，对人来说结果是糟糕的。

Pit a human being against a predator whose jaws, claws and brute strength can kill in an instant, and the outcome is going to be bad for the human.

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他说在美国，虽然总有一头狮子在你旁边，尖牙利爪，自私自利，(但是)你们之间有个笼子保证你的安全。

In the United States, he said, while there is always a lion next to you with sharp claws, driven by self-interest, there is a cage between you and the lion to keep you safe.

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实际上，1859年出版的达尔文著作《物种起源》似乎印证了坦尼森此前二十年的名句——“在尖牙利爪之下，自然是红色的”。

Indeed, Darwin's Origin of -species by Means of Natural Selection, -published in 1859, seemed to vindicate Tennyson's adage from 20 years -earlier, of "nature red in tooth and claw".

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