0 the use of two negatives (= words that mean "no") in the same phrase or sentence: --
The phrase "a not unfamiliar situation" is an example of a double negative.
1 the use of two negative words together in a statement that has a negative meaning, as in "I didn't do nothing." --
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.