Tra từ below the radar - Từ điển Oxford Advanced Learner 8th

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Từ điển Oxford Advanced Learner 8th

below the radar below/under the ˈradar idiom used to say that people are not aware of sth •Experts say a lot of corporate crime stays under the radar. •The conflict has slipped below the radar of the mass media. Main entry: ↑radar_idiom