0 the planet that we live on -- 地球
a pile of earth
2 used when you are extremely surprised, confused, or angry about something -- 一体全体どうやって, 何が、どうして等
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
道路がどれだけ長くても、一歩一歩完了することができますし、足跡をマークしなければ、道路がどんなに短くても完了することはできません。