使つかい出だす

godan verb (-su)

start using; begin to use; try out

Compound of 使う (use) and 出す (start to). Emphasizes the beginning of use, often with a nuance of taking something out and putting it into action.

• 新あたらしいスマホを使つかい出だした。

  I started using a new smartphone.

• 彼かれは最さい近きん、電でん子し辞じ書しょを使つかい出だした。

  He recently began using an electronic dictionary.