McEnroe often used his bad behaviour in difficult tennis matches to psych out his opponent.遇到难赢的网球比赛，麦肯罗常常会大发脾气，以此令对手心烦意乱。His attempt to psych out the other competition seemed to work.他企图在心理上击败竞争对手看来是可行的。The enemy are completely psyched out by this unorthodox move.敌人被这违反章法的异常行动弄得惊慌失措。