が押し入った

broke in

→ が
phrase Rare #38,617
broke in Used when someone or something forcibly entered a place, often referring to a burglar or intruder. The が marks the person or thing that broke in.
JA: 彼の睡眠中に何者かが押し入った。
EN: Someone broke in while he was sleeping.

彼の睡眠中に何者かが押し入った

Someone broke in while he was asleep.

私達の家に昨夜泥棒が押し入った

A burglar broke into our house last night.

隣にヒッピーが押し入った

A hippie broke into the place next door.

— ワンス・アポン・ア・タイム・イン・ハリウッド (2019)