Don't litter the ground with paper.

勿随地乱扔纸屑。

Don't litter the place with wastepaper.

不要乱扔废纸。

Don't litter up the floor with scraps of paper.

不要在地板上乱扔纸屑。

Please don't litter the room.

请不要在屋里乱扔东西。

Don't litter things anywhere!

不要在任何地方乱扔垃圾！

Don't litter your stuff about.

别把东西乱丢。

Don't litter on the ground.

别往地上扔垃圾。

Don't litter up your room.

不要把你的房间弄得乱七八糟。

Don't litter up the room.

不要在房间里乱丢东西。

Don't litter. Keep the country clean.

不要扔垃圾，要保持清洁。

Don't litter the city.

不要在城市乱丢垃圾。

Don't litter the paper over the floor.

不要在地板上乱丢纸。

Don't litter, sundry.

不乱扔垃圾，杂物。

Please don't litter.

请勿乱丢垃圾。

Don't litter. Pick up the litter, please.

不要乱扔垃圾，请把垃圾捡起来。

Put away your things neatly. Don't litter.

把你的东西放整齐，别乱丢东西。

I don't litter.

我不乱丢垃圾。

Don't litter!

不要乱扔垃圾！

Please don't litter waste papers round the room…

请不要在屋里乱扔东西。

Please don't litter cigarette butts to the alley!

请勿丢烟蒂到楼下防火巷！