0 not perfect and with some mistakes -- niedoskonały, wadliwy
an imperfect solution
1 The form of the verb that is used to show an action in the past that has not been completed. In the sentence 'We were crossing the road', 'were crossing' is in the imperfect. -- forma niedokonana
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.
Możemy go ukończyć krok po kroku, niezależnie od tego, jak długa jest droga, i nie da się go ukończyć, niezależnie od tego, jak krótka jest droga, jeśli nawet nie zaznaczysz swojego śladu.