0 a loud noise, especially caused by a lot of people all talking at the same time -- (很多人同时说话时产生的)喧嚷,喧闹
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。