試ためしに

adverb

as a test; tentatively; to try out

Used when doing something experimentally or on a trial basis, often with the nuance of seeing what happens.

• 試ためしにこの新あたらしいソフトを使つかってみた。

  I tried using this new software as a test.

• 試ためしに電でん話わをかけてみたが、誰だれも出でなかった。

  I tried calling tentatively, but nobody answered.