その折おり

noun, adverb

on that occasion; at that time; then

A somewhat formal or written expression referring to a specific past or future occasion. Often used in narratives or polite speech.

• その折おりは大たい変へんお世せ話わになりました。

  Thank you very much for your help on that occasion.

• またその折おりに詳くわしくお話はなしいたします。

  I will explain in detail when the time comes.