耳みみにする

expression, suru verb (irregular)

hear; catch wind of; come across

Used when one hears something, often incidentally or without actively seeking the information. Common in both casual and formal contexts.

• その噂うわさは以い前ぜんから耳みみにしていた。

  I had heard that rumor before.

• 街まちで偶ぐう然ぜん彼かれの名な前まえを耳みみにした。

  I happened to hear his name in town.