あらぬ方ほう向こう

expression, noun

wrong direction; unexpected direction

Used when something goes or points in a direction different from what was intended or expected. Often implies a mistake or an unforeseen turn of events.

• 話はなしがあらぬ方ほう向こうにそれてしまった。

  The conversation went off in an unexpected direction.

• ボールがあらぬ方ほう向こうに飛とんでいった。

  The ball flew off in the wrong direction.