“die like a dog”别理解成“像狗一样死去”，正确的含义是悲惨地死去；潦倒地死去；可耻地死去。

【例句】
He is keep in prison for week without food and die like a dog.
他被囚禁了几星期，没有食物果腹，最后悲惨地死去。

After his business failed, he died like a dog. Poor him.
他生意失败后，悲惨地死去。 真可怜啊！