Russian | English |
владение языком на уровне носителя | native-level fluency (It is said of chess that the game takes a day to learn, and a lifetime to master. In similar vein, English is reputed to be an easy beginner's language in which it is nevertheless very hard to achieve native-level fluency. LE2 Alexander Demidov) |
владение языком на уровне носителя языка как родного | native speaker competence |