0 If you are left to sink or swim, you are given no help so that you succeed or fail completely by your own efforts: --
1 a situation in which you will fail if you do not make a lot of effort: --
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.