The earl refuses to allow anyone who is not of blue blood to marry his son.
•Although Mary's family is poor, she has blue blood in her veins.
2. Fig. a person of aristocratic or wealthy ancestry. •Because his great-grandparents made millions, he is regarded as one of the city's blue bloods.
1. «голубая кровь», аристократическое происхождение
2. аристократ {ср. тж. blood I 2}