zhǐ yáng shēng chuāng zhěng qún yáng zāo yāng 
nínshìfǒuzàixúnqiú:一只一只羊一只羊生疮整群羊遭殃gèngduōjiéguǒ...
yīngwénjièshì:
  1. n.  One scabbed sheep infects the whole flock.