城门失火，殃及池鱼
chéng​mén​shī​huǒ​yāng​jí​chí​yú

innocent bystanders suffer

  1. 城门 城門 chéng​mén noun
    city gate
    gate of a city or castle wall
  2. 失火 shī​huǒ verb + noun
    to catch fire
    to catch fire accidentally; to be on fire; to break out (of a fire)
  3. ， yāng
    non-Chinese
  4. 殃及 yāng​jí
    to bring disaster to
    to involve others in a disaster; to spread misfortune to others
  5. 池 chí
    moat
    (literary) the moat surrounding a city wall
  6. 鱼 魚 yú noun
    fish
    fish; generic term for aquatic cold-blooded vertebrates with gills and fins