得とく意い分ぶん野や

noun

one's field of expertise; one's strong area

Refers to a subject, skill, or domain in which a person excels or has special knowledge.

• 彼かれの得とく意い分ぶん野やは数すう学がくだ。

  His field of expertise is mathematics.

• 得とく意い分ぶん野やを活いかして仕し事ごとを探さがす。

  I look for a job that makes use of my strong area.