To be utterly defeated or annihilated; to suffer a complete rout, leaving no survivors or remnants.
这次产品发布会竞争激烈，对手公司因为准备不足，最终只轮不反，市场份额大幅下滑
The competition at this product launch event was fierce, and the rival company, due to insufficient preparation, was ultimately utterly defeated, leading to a significant drop in market share.
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