mastery /'ma: starx US: 'maes-; 'maestan/ n [U] 1 ~ (of), complete control or knowledge: 控制; 熟練; 精通： his ~ of the violin; 他拉小提琴的熟練; get ~ of a wild horse. 馴服一匹野馬。 2 ~ (over), supremacy: 控制權(quán); 優(yōu)勢(shì)： Which side will get the ~? 那一邊將要取得控制權(quán)？