0 the person planning and controlling an undertaking or scheme -- vůdčí osobnost
He was the mastermind behind the scheme.
1 to plan (such a scheme) -- řídit, organizovat
Who masterminded the robbery?
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.
Můžeme to dokončit krok za krokem, ať je cesta jakkoli dlouhá, a nelze ji dokončit, ať je cesta jakkoli krátká, pokud si ani neoznačíte svou stopu.