We're operating in a dog-eat-dog world.

我们是在一个残酷竞争的世界里立足。

《牛津词典》

Some people say we live in a dog-eat-dog world.

有些人认为，我们生活在一个“竞争激烈的”世界。

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Most people, he said, believe that wild street dogs make the best anti-terrorist dogs, having survived the, well, dog-eat-dog world of the mean streets.

他说，大多数人都相信经受了街头残酷的狗咬狗经历洗礼的流浪狗能做最好的反恐犬，但是事实与之正好相反。

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Some people say we live in a dog-eat-dog world.

VOA: special.2010.05.30

Later,he wrote a best-selling book, "Marley and Me: Life and Love with the World's Worst Dog."

VOA: special.2009.02.23

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You do not have to be a dog in a dog-eat-dog world to advance your own interests.

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