zenith
['zen.ɪθ] noun countable usually singular
■the best or most successful point or time 顶峰；鼎盛时期•In the 1860s, Tolstoy was at the zenith of his achievement.19世纪60年代，托尔斯泰处于创作巅峰时期。 •His career reached its zenith in the 1960s.他的事业在20世纪60年代达到巅峰。 Opposite nadir |