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быть знакомым angolul

OroszAngol
быть знакомым verb

ring a bell(to seem vaguely familiar)
verb
[UK: rɪŋ ə bel] [US: ˈrɪŋ ə ˈbel]

быть знакомыми verb
{imPlf}

go back(to have known each other)
verb
[UK: ɡəʊ ˈbæk] [US: ˈɡoʊ ˈbæk]