处于…的顶峰
figurative: to be enjoying a period of great success or popularity
比喻义：享受一段巨大的成功或声望
在…顶上
located at the very top of something, like a hill
位于某物的最顶端，如山顶
到达顶峰
to arrive at the top of a hill or ridge
到达山丘或山脊的顶部