0 If a competition is nip and tuck, first one side seems to be winning and then the other, so that the result is not certain: --
1 in a situation in which one side seems to be winning and then the other, so that the result is uncertain: --
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.