0 to make very small changes to something in order to make it work as well as possible: --
1 to make small changes in (something) in order to make it work as well as possible --
2 to make small changes to something in order to make it as good as possible: --
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.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.