1 to slowly reduce or destroy something: --
His behaviour over the last few months has eroded my confidence in his judgment.
2 to weaken or damage something by taking away parts of it gradually, or to become weaker in this way: --
3 to slowly reduce or destroy something, or to be slowly reduced or destroyed: --
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.