feeding frenzy
noun
1- an aggressive and competitive group attack on prey by a number of sharks or piranhas（鲨鱼或水虎鱼的）（群体）疯狂捕食。
1.1
- figurative an episode of frantic competition or rivalry for something〈喻〉激烈竞争; 疯狂争抢：
the remark caused a media feeding frenzy.
这句话引发了媒体的争相报道。