0 If a rocket blasts off, it leaves the ground to go into space. --
1 the moment when a spacecraft leaves the ground: --
Five seconds to blast-off!
2 (esp. of a spacecraft) to take off: --
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.