決壊

(1)break down, literally or metaphorically; "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice"

(2)文字通り、または、比喩的に壊れる

(3)fall apart; "the building crumbled after the explosion"; "Negotiations broke down"

(4)砕ける

(1)the building crumbled after the explosion

(2)建物は爆発の後粉々に砕けた

(3)Negotiations broke down

(4)交渉は決裂した