that has never happened, been done or been known before 前所未有的；空前的；没有先例的 The situation is unprecedented in modern times. 这种情况在现代还没有出现过。 🔊🔊 There were unprecedented scenes of violence in the city’s main square. 在城市的主要广场上有前所未有的暴力场面。
Oxford Collocations Dictionaryverbs- be
- entirely
- quite
- totally
- …