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to tear up; to tear off; to rip up; to tear to pieces
to (forcibly) separate (a couple, family, etc.); to force apart; to tear apart
彼は書類を引き裂いた。
He tore up the documents.
戦争が多くの家族を引き裂く。
War tears many families apart.
怒りに任せて手紙を引き裂いてゴミ箱に捨てた。
I tore up the letter in anger and threw it in the trash.