proficient in Russian
proficient in Russian
иску́сный
Good at something; skilled; fluent; practiced, especially in relation to a task or skill.
компете́нтный
Good at something; skilled; fluent; practiced, especially in relation to a task or skill.
уме́лый
Good at something; skilled; fluent; practiced, especially in relation to a task or skill.
специали́ст
An expert.
экспе́рт
An expert.