英文翻译：1、禁止放鞭炮 2、禁止防易燃物 3、禁止烟火

No Shooting off firecrackers.
No inflammable items.
No fire and smoke.

这是警示牌上的用语.

1, forbid to let off firecrackers
2, forbid to defend combustible
3, forbid firework

1.playing with fireworks is prohibited
2.inflammable items are prohibited
3.fire and smoke are prohibited