ne plus ultra
/ˌneɪplʊsˈʊltrɑː/noun
the ne plus ultra
- the perfect or most extreme example of its kind; the ultimate顶点, 极点; 登峰造极, 至高无上：
he became the ne plus ultra of bebop trombonists.
他成为博普爵士乐中长号演艺水平最高的人。
词源
Latin, literally 'not further beyond', the supposed inscription on the Pillars of Hercules prohibiting passage by ships.