0 a person who knows a lot about a particular subject and is therefore often asked to give an opinion about it: --
1 a person who knows a lot about a particular subject, or someone who gives opinions in a way that sounds intelligent or wise: --
2 someone who is an expert on a subject and often speaks or writes about it: --
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.