専せん門もん性せい

noun

specialization; expertise; specialty

Refers to the quality or degree of being specialized, often in a professional or academic context.

• この仕し事ごとには高たかい専せん門もん性せいが求もとめられる。

  This job requires a high level of expertise.

• 彼かれの専せん門もん性せいを活いかしてプロジェクトを進すすめた。

  We advanced the project by making use of his specialization.