春秋鼎盛

Explanation: Watch: refers to the age. Refers to the prime of life, energetic 　　Usage: The main predicate; as the predicate attribute; with compliment, just prime metaphor 　　Source: Han Jia Yi's "new book were the first": "Son of Heaven and energetic, not over the line instrument, Deese has added Yan, still yet if the ratio, the status of great power and nobility were almost ten this?" 　　Examples: And into the palace, the king ~, I should not dare to blame the king, but sighed the ear of Health no time! (Ming Feng Meng, "Eastern Zhou Zhi" Seventy back) Thesaurus:  Rejuvenate Lizhuang, in good feather, Strong body and strong Antonym Group:  decrepit be stricken in years, Oldness Lishuai