four treasures in study的用法和樣例：
例句
- His study is full of antique style, and on the writing desk are the four treasures of study.
他的書房布置得古香古色，書案上還放著文房四寶。 - The brushes of Huzhou, the ink-sticks of Huizhou, Xuancheng paper, and the inkstones of Zhaoqing and Duan are celebrated as the writer's Four Most Precious Things.
當地又以產筆著名，湖州之筆，徽州之墨，宣城之紙，肇慶端溪之硯，文房四寶，天下馳名。
