プログレッシブ和英中辞典(第4版)の解説
わりこむ【割り込む】
列に割り込む
「break into [jump] the line [《英》 queue]
あの車が割り込もうとしている
That car is trying to cut in.
警官が群衆の中に割り込んでいった
Policemen forced their way into the crowd.
混んだエレベーターに割り込んだ
I squeezed myself into the crowded elevator.
彼は私たちの話に割り込んできた
〔口をさしはさむ〕He broke into our conversation.／〔少しずつ〕He edged himself into our conversation.／〔無理やりに〕He intruded himself into our conversation.／〔中断させる〕He interrupted our conversation.