https://online2.tingclass.net/lesson/shi0529/0009/9907/677.mp3
https://image.tingclass.net/statics/js/2012
heyday 全盛時(shí)期，巔峰時(shí)期，年輕力壯之時(shí)
This company was really big in its heyday.
這家公司在全盛時(shí)期真的很大。
He is too weak to beat me in my heyday.
全盛時(shí)期的我，他根本不可能擊敗。
