请不要扔垃圾 Please do not throw trash

不要乱扔垃圾 Can not throw waste ; No littering ; Don't litter ; Stop Littering

不要随便扔垃圾 No Fly Tipping ; Not gone with the rubbish ; Do not throw garbage

不要到处乱扔垃圾 Do not litter ; Do not litter everywhere ; Do not throw rubbish everywhere

请不要乱扔垃圾 Please do not litter

所以我们不要乱扔垃圾 We don't litter ; So we should not litter

不要到处扔垃圾 Do not throw garbage everywhere ; Don not throw rubbish anywhere ; Do not throw rubbish everywhere

首先要不乱扔垃圾 Otherwise the first litter ; Above all else litter

接着我们不要乱扔垃圾 Then we do not litter ; Then we should not litter

不要随便乱扔垃圾 Do not litter ; It should not litter ; Don't litter