Dictionary / Vocabulary / 専門知識
せんもんちしき
expertise; specialized knowledge; technical knowledge; expert knowledge
この種の専門知識は日常生活とはほとんど関係がない。
This kind of specialized knowledge has very little to do with daily life.
彼の専門知識の欠落が彼の昇進を阻んだ。
His lack of technical knowledge kept him from being promoted.