yáo bǎi zhe wěi 
nínshìfǒuzàixúnqiú:摇摆摇摆着摇摆着尾巴摇摆 摇摆着 摇摆着尾巴gèngduōjiéguǒ...
yīngwénjièshì:
  1. n.  with a wag of the tail