0 If a relationship busts up, or the people in a relationship bust up, the relationship ends: --
1 a serious argument, especially one that ends a relationship: --
She had a big bust-up with her brother-in-law.
2 a serious argument or disagreement, especially one which ends a relationship: --
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.