golden age
noun
1- an idyllic, often imaginary past time of peace, prosperity, and happiness黄金时代（常为想象中有田园风情的、宁静、繁荣而幸福的往昔岁月）。
1.1
- the period when a specified art, skill, or activity is at its peak（某种艺术、技能或活动的）鼎盛时期：
the golden age of cinema.
电影的黄金时代。
词源
mid 16th cent.: the Greek and Roman poets' name for the first period of history, when the human race lived in an ideal state.