ploy

ploy
/plɔɪ; plɔɪ/ n
words or actions, eg in a game, intended to win an advantage over one's opponent （克敌制胜的）策略, 手法（如在比赛中的）
    It was all a ploy to distract attention from his real aims. 那纯粹是障眼法, 用以分散人们对他真正意图的注意力.

牛津英汉双解词典