to suddenly become very angry or emotional
突然非常に怒ったり感情的になったりする (totsuzen hijō ni okottari kanjō-teki ni nattari suru)
"She completely lost it when she saw the mess in the room."
"部屋の中の混乱を見たとき、彼女は完全に感情を爆発させた。" (heya no naka no konran o mita toki, kanojo wa kanzen ni **kanjō o bakuhatsu saseta**)
to be left in a difficult situation without help or a way to...
to unite countries for a common purpose or goal
to resist pressure or negativity with determination
to continue with a plan or commitment until it is completed
to add tone or detail to drawings of ideas
to join an ongoing conversation