那是个弱肉强食的地方—要成功就得是强者。

It's a jungle out there—you've got to be strong to succeed.

《牛津词典》

山姆钟情于海洋所谓“丑陋”和弱肉强食的一面。

Sam's interest tends towards the reputedly 'ugly' and predatory side of the sea.

youdao

虽是如此，你可能会辩称此轮希腊的债务危机简直就是弱肉强食的典范。

But you could argue that the Greek crisis is simply an example of predators picking off the weakest member of the herd.

youdao

If evolution is survival of the fittest, nature red in tooth and claw, how could animals evolve moral feelings?

如果进化论是讲适者生存，在弱肉强食的自然界，动物怎么能进化出道德情感？

耶鲁公开课 - 心理学导论课程节选

States stand to one another on the world stage as individuals do in the condition of nature; that is to say, potential enemies with no higher authority by which to adjudicate their conflicts.

国家相对于世界的关系,就好比人相对于自然的关系;,也就是说,在冲突面前不会有更高的权威,来裁定谁对谁错，只能弱肉强食。

耶鲁公开课 - 政治哲学导论课程节选