heyday
noun /ˈheɪdeɪ/
/ˈheɪdeɪ/
[usually singular]- the time when somebody/something had most power or success, or was most popular
最为强大（或成功、繁荣）的时期 - In its heyday, the company ran trains every fifteen minutes.
公司在最兴隆时期每隔十五分钟就开出一列火车。 - a fine example from the heyday of Italian cinema
意大利电影业全盛期的一部优秀代表作 - a picture of Brigitte Bardot in her heyday
碧姬 · 芭铎事业鼎盛时的一张照片
词源late 16th cent. (denoting good spirits or passion): from archaic heyday!, an exclamation of joy, surprise, etc. - In its heyday, the company ran trains every fifteen minutes.