All three of the people mentioned here were at ease in both Polish and Italian.
general
свободно чувствовать себя в
Чувствовать себя уверенно и свободно, пользуясь языком или находясь в определённой ситуации.
European Theatre Migrants in the Age of Empire
This collection examines the journeys and working lives of European theatre practitioners during the age of empire. Historical case studies explore migration, performance, cultural exchange and the political conditions shaping theatrical careers across national borders.