大人おとなの都つ合ごう

expression, noun

adult reasons; certain circumstances; professional constraints

Euphemistic phrase used when the real reason cannot be disclosed, often implying behind-the-scenes or organizational considerations. Similar to 大人の事情.

See also: 大人の事情

• 大人おとなの都つ合ごうで、その企き画かくは中ちゅう止しになりました。

  The project was canceled due to certain adult circumstances.

• 詳くわしいことは言いえませんが、大人おとなの都つ合ごうで決きまったことです。

  I can't go into details, but it was decided for adult reasons.