0 having been prepared for a particular job or activity, by learning skills, getting qualifications, etc. -- 訓練過的,培訓過的,受過鍛煉的
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。