2 to decide that you support a particular person or side in an argument, etc.: --
The government has come down on the side of military action.
3 If a person comes down from a drug, they stop feeling its effects. --
4 If you come down (from a college or university, especially Oxford or Cambridge University), you leave your studies either permanently or for a short time. --
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.