fluent
fluent adjective uk/ˈfluːənt/ us fluent adjective(STYLE)
B2 produced or done in a smooth, natural style
свободный, беглый
Hendrik speaks fluent English. fluency noun [ U ] uk/ˈfluːənsi/ usB2
свободная речь, беглость
fluent ly adverb B2
свободно, бегло