C2 noun /ˈheɪ.deɪ/
Hey day
黄金时期; 最辉煌的时刻; 顶峰时期
Meaning
the period of a person's or thing's greatest success, popularity, or vigor; prime time
Example
During her heyday as a singer, she performed in sold-out concerts around the world.
在她作为歌手的黄金时期,她在全球的售罄音乐会上表演。