youthquake
noun /ˈjuːθkweɪk/
  /ˈjuːθkweɪk/
[usually singular]- a significant cultural, political or social change that occurs because of the actions or influence of young people青年地震:由于年轻人的行为或影响而发生的重大文化,政治或社会变化 - The election result is being hailed as a youthquake.选举结果被誉为青年地震。 
 
- The election result is being hailed as a youthquake.