そうこうしているうちに

expression, adverb

meanwhile; in the meantime; while doing this and that

Used when something happens while one is occupied with various things or during the passage of time. Often implies that time passed without noticing.

See also: そうこう

• そうこうしている内うちに、電でん車しゃの時じ間かんになってしまった。

  While I was doing this and that, it was already time for the train.