dog eat dog片语

弱肉强食、你死我活、竞争残酷

In this industry it's dog eat dog, and nobody helps you.

这个行业弱肉强食，没有人会帮你。

弱肉强食的、竞争激烈的、尔虞我诈的

She left banking because it was such a dog-eat-dog world.

她离开了银行业，因为那是个弱肉强食的世界。