Broad and profound; extensive and deep. Used to describe knowledge, culture, or theories that are vast and deep.
博广，多。形容思想和学识广博高深。
明·姜世昌《〈逸周书〉序》迄今读书，若揭日月而行千载，其博大精深之旨，非晚世学者所及。”
Chinese traditional culture is broad and profound, covering many fields such as philosophy, art, and medicine.
Learn the next connected idiom: 博大精深 (bó dà jīng shēn) → 深入人心 (shēn rù rén xīn)
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