N-COUNT
頂峰；極點；頂點
If someone reaches the pinnacle of their career or the pinnacle of a particular area of life, they are at the highest point of it.
例句
John Major has reached the pinnacle of British politics...
約翰·梅杰已攀上了英國政界的頂峰。
She was still a screen goddess at the pinnacle of her career.
她仍然是一位處于事業巔峰期的銀幕女神。