as a dog with two tails

例句：

1. 1. She was so excited that shecouldn't help but act like adog with two tails.
   她太兴奋了，忍不住表现得像个有两条尾巴的狗。
2. 2. The little girl looked up at thesky, as if she were a dogwith two tails.
   小女孩仰望天空，仿佛自己是一条有两条尾巴的狗。
3. 3. Theold man sat by the window, asif he were a dog with two tails, watching the world go by.
   老人坐在窗边，仿佛他是一条有两条尾巴的狗，看着世界匆匆而过。