割わって入はいる

expression, godan verb (-ru)

wedge one's way in; push in; interrupt; intervene

Describes physically or figuratively forcing oneself into a space, conversation, or situation, often between people or things. Can be used for breaking into a line, interrupting an argument, or stepping in to mediate.

• 彼かれは列れつに割わって入はいった。

  He wedged his way into the line.

• 二人ふたりの口こう論ろんに割わって入はいるのはやめたほうがいい。

  You'd better not step in between their quarrel.