the highest level of a field of endeavorwhen you've landed a tenure-track position at that university, you're playing in the major leagues
when you've landed a tenure-track position at that university, you're playing in the major leagues
big league(s), big time, big(s)
establishment, old guard
in 1888
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。