tidal wave
noun
1- an exceptionally large ocean wave, especially one caused by an underwater earthquake or volcanic eruption潮（汐）波; 海啸。
1.1
- figurative a widespread or overwhelming manifestation of an emotion or phenomenon〈喻〉（公众情绪或事件的）浪潮：
a tidal wave of crime.
汹涌的犯罪势头。