乱らん入にゅう

noun, noun or participle which takes 'suru', intransitive verb

intrusion; bursting in; barging in

Describes entering a place forcefully or without permission, often causing disruption. Commonly used for uninvited entry into events, meetings, or private spaces.

• 会かい議ぎ中ちゅうに突とつ然ぜん、部ぶ外がい者しゃが乱らん入にゅうしてきた。

  During the meeting, an outsider suddenly barged in.

• 結けっ婚こん式しきに乱らん入にゅうするなんて非ひ常じょう識しきだ。

  It's outrageous to crash a wedding.