dvojitý znamená v Angličtina

double▼(made up of two matching or complementary elements)
adjective
[UK: ˈdʌb.l̩] [US: ˈdʌb.l̩]

double agent▼noun
[UK: ˈdʌb.l̩ ˈeɪ.dʒənt] [US: ˈdʌb.l̩ ˈeɪ.dʒənt]