Tra từ field day - Từ điển Oxford Advanced Learner 8th

Từ điển Oxford Advanced Learner 8th

field day ˈfield day f69 [field day field days] BrE NAmE (NAmE) (BrE ˈsports day) noun a special day at school when there are no classes and children compete in sports events Idiom: ↑have a field day See also: ↑sports day