ou 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 . 大卫工作真卖劲儿。

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。