小こ耳みみに挟はさむ

expression, godan verb (-mu)

overhear; happen to hear

Used when one unintentionally catches a snippet of conversation or information. Often implies hearing something interesting or gossipy.

• 隣となりの席せきの会かい話わを小こ耳みみに挟はさんでしまった。

  I happened to overhear the conversation at the next table.

• 彼かれが転てん職しょくするらしいと小こ耳みみに挟はさんだ。

  I overheard that he might be changing jobs.