To hurt oneself by one's own actions, especially when intending to harm others; to bring trouble upon oneself.
他本想通过散布谣言来损害别人的名誉，没想到最终却搬起石头打自己的脚，反倒让自己陷入了信任危机。
He originally intended to damage another's reputation by spreading rumors, but unexpectedly, he ended up bringing trouble upon himself, falling into a crisis of trust instead.
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