一いっ級きゅう

na-adjective, noun

first-class; top grade; primary

Used for ranking, quality, or level, often in formal or evaluative contexts such as exams, products, or skills.

• 彼かれは一いっ級きゅうの技ぎ術じゅつを持もっている。

  He has first-class skills.

• このお茶ちゃは一いっ級きゅう品ひんだ。

  This tea is a top-grade product.