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percussion; tapping; examining by percussion
sounding out (someone's intentions); making an approach (about)
打診の結果は明日伝えられる予定だ。
The result of the inquiry is expected tomorrow.
まず関係者に打診してみよう。
Let's first sound out the people involved.
転職の打診を受けて検討中だ。
I received an inquiry about changing jobs and am considering it.