Some people say we live in a dog-eat-dog world. 有些人说我们生活在一个 dog-eat-dog world。
That means many people are competing for the same things, like good jobs. 它的意思是有许多人为同一事物而竞争,比如工作。
They say that to be successful, a person has to work like a dog. 他们说想要获得成功就必须work like a dog。
This means they have to work very, very hard. 意为必须非常努力的工作。
Such hard work can make people dog-tired. And, the situation would be even worse if they became sick as a dog. 这么努力的工作也会使人精疲力尽(dog-tired)。然而,如果它们病的很重(sick as a dog)情况会变得更糟。