ふむふむ

expression

hmm; uh-huh; I see

A casual murmur used while listening to show understanding, agreement, or interest. Often repeated softly.

• 「それでね、昨日きのう新あたらしいカフェに行いったんだ」「ふむふむ、それで？」

  "So, I went to a new café yesterday." "Uh-huh, and then?"

• 先せん生せいの説せつ明めいを聞ききながら、ふむふむとうなずいた。

  I nodded along with 'hmm, hmm' while listening to the teacher's explanation.