敵かたき同どう士し

noun

mutual enemies; people who are enemies with each other

Refers to two or more people who are enemies to one another. Often used in contexts of rivalry or conflict.

• 彼かれらは昔むかしからの敵かたき同どう士しだ。

  They have been mutual enemies for a long time.

• ライバル会社がいしゃの社しゃ長ちょう同どう士しは敵かたき同どう士しのように見みえる。

  The presidents of the rival companies seem like mutual enemies.