( dark horses)
If you describe someone as a dark horse , you mean that people know very little about them, although they may have recently had success or may be about to have success.
N-COUNT
( dark horses)
If you describe someone as a dark horse , you mean that people know very little about them, although they may have recently had success or may be about to have success.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006