無む駄だ口ぐち

noun

idle talk; chatter; useless talk

Refers to talking without purpose or content, often with a negative nuance of wasting time. Commonly used in phrases like 無駄口を叩く (to chatter idly).

• 会かい議ぎ中ちゅうに無む駄だ口ぐちを叩たたいてはいけない。

  Don't chatter idly during the meeting.

• 彼かれはいつも無む駄だ口ぐちばかりで、仕し事ごとが進すすまない。

  He's always just talking nonsense, so work doesn't progress.