部ぶ類るい

noun

class; category; group

Used to classify things into broad types or groups, often with a sense of belonging to a certain kind.

• 彼かれの作さく品ひんは最さい高こうの部ぶ類るいに入はいる。

  His work ranks among the best.

• この問もん題だいは難むずかしい部ぶ類るいに属ぞくする。

  This problem belongs to the difficult category.