feeding frenzy
一场疯狂争夺或攻击，尤其是在资源有限或激烈竞争的情况下
口语·形容激烈争夺或抢购
英文释义
a situation where a group of people aggressively pursue or compete for something, often with little regard for others
例句
When the store announced a 90% off sale, it turned into a feeding frenzy with customers grabbing everything they could.
典故来源
源自动物行为，指鲨鱼等捕食者疯狂争抢食物的场景，后引申为人类在资源有限时的激烈竞争。