FAQs About the word proficiency

熟練度

the quality of having great facility and competence, skillfulness in the command of fundamentals deriving from practice and familiarity

コマンド,経験,知能指数,習得,習熟,専門知識,施設,親しみ,流暢さ,識字率

無知,無能,無能,文盲,親しみのなさ

proffer => 提案, professorship => 教授職, professorially => プロフェッショナルに, professorial => 教授らしい, professor => 教授,