heyday
noun [ C usually singular ] uk/ˈheɪ.deɪ/ us/ˈheɪ.deɪ/
全盛时期，鼎盛时期
the most successful or popular period of someone or something
In their heyday, they sold as many records as all the other groups in the country put together. 在他们的全盛时期，他们唱片的销售量是这个国家中所有其他乐队唱片销量的总和。
Synonyms: efflorescenceflower peak prime (BEST TIME)