at cross purposes
意見、目的或意圖相互矛盾或互不相干的
書面/口語·表示誤解或沖突
英文釋義
having different goals or intentions, often resulting in confusion or misunderstanding
例句
They were talking at cross purposes, each misunderstanding the other's point.
典故來源
源自射箭術語，指箭矢方向交叉而無法命中目標，比喻目標或意圖相悖。