Tra từ dark horse - Từ điển Oxford Advanced Learner 8th

Từ điển Oxford Advanced Learner 8th

a dark horse a dark ˈhorse idiom 1. (BrE)a person who does not tell other people much about their life, and who surprises other people by having interesting qualities 2. a person taking part in a race, etc. who surprises everyone by winning Main entry: ↑dark_idiom