문방사우가 · 문방사우를
the four treasures of the study (brush, ink, paper, inkstone)
Example
옛날 선비들은 문방사우를 무척 소중히 여겼습니다.
Scholars of old treasured the four treasures of the study.
Word parts
문 writing+방 room+사 four+우 friend
Literally 'four friends of the study': brush, ink stick, paper and inkstone.
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