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Four treasures of the study

a term used to refer to the ink brush, inkstick, paper and inkstone used in Chinese calligraphy calligraphy traditions

Pronunciation
/fɔr ˈtrɛʒərz əv ðə ˈstədi/
/fɔː ˈtrɛʒəz əv ðɪ ˈstʌdi/