形容詞 manipulative:

1. skillful in influencing or controlling others to your own advantage

ma.nip.u.la.tive

adj.（形容詞）
Serving, tending, or having the power to manipulate.
操縱的，操作的，控制的：操縱的、傾向于操縱的或有能力操縱的
n.（名詞）
Any of various objects designed to be moved or arranged by hand as a means of developing motor skills or understanding abstractions, especially in mathematics.
靈巧訓(xùn)練：由手移動(dòng)或排列的各種物體，作為發(fā)展運(yùn)動(dòng)技巧或理解抽象概念的方法，尤指用于數(shù)學(xué)

【引伸】
manip.ulatively
adv.（副詞）
【引伸】
manip.ula.tiveness
n.（名詞）