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self-destruction; ruining oneself
natural decay; perishing naturally
焦って自滅するのは避けたい。
I want to avoid panicking and ruining myself.
無理な拡大が企業の自滅を招いた。
Reckless expansion led to the company's self-destruction.
相手が自滅してくれるのを待った。
I waited for the opponent to self-destruct.