アウトオブバウンズ

noun

out of bounds

Used in sports contexts to indicate that a ball or player has gone outside the designated playing area. Also used figuratively for something that is beyond acceptable limits.

• ボールがアウトオブバウンズになった。

  The ball went out of bounds.

• その質しつ問もんはアウトオブバウンズだ。

  That question is out of bounds.