小狗在橱窗里的英语是 "dog in the window"。这个短语的来源可能是指小狗在橱窗里，像其他商店展示商品一样展示出来。例句：
I saw a cute dog in the window of the pet store on my way to work. 我上班的路上在宠物店的橱窗里看到了一只可爱的小狗。
The dog in the window looked sad and lonely. 那只在橱窗里的小狗看起来很悲伤和孤单。
The dog in the window was wagging its tail and barking at passersby. 那只在橱窗里的小狗正用它的尾巴摇晃，对路过的人叫唤。