及物动词
名词
1. 谋划,策划(艰难或复杂的行动)
If you mastermind a difficult or complicated activity, you plan it in detail and then make sure that it happens successfully.
2. (常指罪案)主谋,出谋划策的人,幕后操纵者
The mastermind behind a difficult or complicated plan, often a criminal one, is the person who is responsible for planning and organizing it.