気き脈みゃくを通つうずる

expression, zuru verb

have secret communication with; have a tacit understanding with

Implies covert coordination or an unspoken agreement, often with a negative or conspiratorial nuance. Used in political, business, or personal contexts.

• 彼かれは裏うらで敵てきと気き脈みゃくを通つうじていたらしい。

  It seems he was secretly in league with the enemy behind the scenes.

• 二人ふたりは言こと葉ばを交かわさなくても気き脈みゃくを通つうじているようだ。

  The two seem to have a tacit understanding even without exchanging words.