Tra từ on the sidelines - Từ điển Oxford Advanced Learner 8th

Từ điển Oxford Advanced Learner 8th

on the sidelines on/from the ˈsidelines idiom watching sth but not actually involved in it •He was content to watch from the sidelines as his wife built up a successful business empire. •She has chosen to remain on the sidelines of public debate. Main entry: ↑sideline_idiom