To try to harm others but end up harming oneself; to bring trouble upon oneself by one's own actions.
他在工作中总想通过不正当手段排挤同事，结果反而受到了上级的批评，真是搬起石头砸自己的脚。
He always tried to sideline his colleagues through improper means at work, but as a result, he was criticized by his superiors. He truly tried to harm others but ended up harming himself.
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