間まもない頃ころ

expression

in the early period (of something); at the beginning

Used to refer to the time shortly after something started or happened. Often followed by a clause describing a state or action that occurred during that early phase.

• 入にゅう社しゃした間まもない頃ころは、右みぎも左ひだりもわからなかった。

  In the early days after joining the company, I didn't know left from right.

• 開かい店てん間まもない頃ころは、お客きゃくさんが少すくなかった。

  Shortly after the store opened, there were few customers.