来宾登记，请勿践踏草坪，请随手关门，勿乱扔废弃物的英文翻译

勿折花草：Do not ruin trees and flowers.

来宾登记: Visitor registration.

请勿践踏草坪: Do not step into the lawn.

请随手关门: Please close the door behind you.

勿乱扔废弃物: Do not leave trashes.