This is the 2218th most frequent Japanese word.
突入
"突入" means "entry," "rush," or "storming into."
"突入した" means "entered forcefully or purposefully," emphasizing the decisive action taken.
彼は危険を恐れずに火災現場に突入した。
He entered the fire scene without fearing danger.
"突入する" refers to "starting an endeavor or phase resolutely," highlighting the transition into it.
新しいプロジェクトに突入する時は準備が必要です。
When starting a new project, preparation is essential.
"突入しました" signifies "entering a critical or decisive phase," often marked by heightened intensity.