处于鼎盛时期
ride the crest of sth
(因某种情况)处于鼎盛时期
to enjoy great success or support because of a particular situation or event
The band is riding the crest of its last tour.乐队正处于最近这次巡回演出后的顶峰状态。
释义来自《牛津高阶英汉双解词典》第 9 版