用英语介绍公共标志，并附有图标

http://www.anquan.com.cn/biaoz/022.htm

标志‘Be quiet'
It means we shouldn't make noise here.

Be quiet
It means we shouldn't make noise here.
…… should keep quiet here.
No eating or drinking
It means we shouldn't eat or drink.

No smoking
It means you shouldn’t smoke.