blimey (someone's) a dark horse

Traducciones
Боже мой, (кто-то) тёмная лошадка
Blimey she's a dark horse, I never knew she could sing so well.
Боже мой, она тёмная лошадка, я никогда не знал, что она так хорошо поёт.
Definiciones
An exclamation of surprise ('blimey') followed by the phrase 'a dark horse,' which refers to someone who has hidden talents, abilities, or qualities that were previously unknown. The whole phrase expresses astonishment at discovering that someone is more capable or impressive than expected.
Palabras
horse

noun
лошадь
dark

adjective
тёмный