言こと葉ばを挟はさむ

expression, godan verb (-mu)

cut in; butt in; interject

Used when someone interrupts a conversation to say something, often briefly. Can be neutral or slightly negative depending on context.

• 彼かれの話はなしに言こと葉ばを挟はさむのは失しつ礼れいだと思おもった。

  I thought it would be rude to cut in on his story.

• 会かい議ぎ中ちゅう、彼かの女じょは何なん度ども言こと葉ばを挟はさんだ。

  During the meeting, she butted in several times.