play it by ear (purei itto bai ia)

Idiom Decision

意味

to decide or act as the situation develops

状況に応じて決定または行動する (jōkyō ni ōji te kettei matawa kōdō suru)

例文

"We’ll play it by ear and see what happens."

"状況に応じて行動し、何が起こるか見てみましょう。" (jōkyō ni ōji te kōdō shi, nani ga okoru ka mite mimashou)