Dog(狗): 常指人，好人坏人都可以；bitch（母狗），则指泼妇

    You are a lucky dog.你真是个幸运儿。

    My boss is a jolly dog.我的老板是个风趣的家伙。

    Every dog has his day.凡人都有得意时。

    David works like a dog .David工作真卖劲儿。

    The film must be a real dog.这部电影一定很糟糕。

    Your partner is a dirty dog.你的合伙人是个卑鄙小人。

    The poet died like a dog .这位诗人潦倒而死。

    They treated him like a dog.他们把他看得粪土不如。

    You can't teach an old dog new tricks.老人难改变。

    He is really a dead dog.他是个没用的东西。

    Don't talk to me like that,you bitch!你这泼妇，别跟我这样说话。（慎用）

    除此之外，与dog有关的词组也使语言表达更为生动。

    A: We are just making a living here and I thind there is no point in having a dog-eat-dog   attitude.

    B: You are absolutely right.We should be more cooperative.

    A: 我们都是在这里谋生，我想采取相互攻击的态度是没有意义的。

    B: 你是对的，我们应该精诚合作。