0 urine -- 尿,小便
There was piss all over the floor. 地板上到處是尿。
I need a piss. 我要去小便。
He's having a piss. 他正在小便。
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.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。