Fresh milk smelled sour, the dirty dog pen smelled good, and other odors couldn't be detected at all.
新鲜的牛奶闻起来是酸的,脏兮兮的狗窝很好闻,其他的气味则一点都闻不到。
He tried to steal my money, the dirty dog .
那个坏蛋,他想偷我的钱。
Professor Moriarty could be described as the dirty dog of the Sherlock Holmes stories.
莫里亚蒂教授可以被说成是福尔莫斯故事中的行为卑鄙龌龊的人。