You are a lucky dog.

　　你真是個幸運兒.

　　My boss is a jolly dog.

　　我的老板是個風趣的家伙.

　　Every dog has his day.

　　凡人都有得意時.

　　David works like a dog .

　　大衛工作真賣勁兒.

　　The film must be a real dog.

　　這部電影一定很糟糕.

　　Your partner is a dirty dog.

　　你的合伙人是個卑鄙小人.

　　The poet died like a dog .

　　這位詩人潦倒而死.

　　They treated him like a dog.

　　他們把他看得豬狗不如.

　　You can't teach an old dog new tricks.

　　你很難改變老人的想法.

　　He is really a dead dog.

　　他真是個沒用的東西.