禁止通行,勿折花木,请勿践踏草坪,勿乱丢弃废物,请随手关门,来宾登记小心滑倒.用英语怎么说?

No thoroughfare,
do not fold flowers and trees,
keep off the grass,
not a discarded,
please close the door after waste,
visitor registration carefully slipped.