(as) clean as a (new) pin
01
とても清潔な, すっかりきれいな
kept in a very clean condition
慣用句
くだけた
例
After the thorough spring cleaning, the house was as clean as a new pin, with every surface gleaming and organized.
彼女の台所はいつもとても清潔だ。
とても清潔な, すっかりきれいな
彼女の台所はいつもとても清潔だ。