the highest level of a field of endeavora candidate who is running for president is playing in the bigs and cannot afford to make major mistakes
a candidate who is running for president is playing in the bigs and cannot afford to make major mistakes
big league(s), big time, major league
establishment, old guard
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。