广知博识guǎng zhī bó shì

have wide experience and extensive knowledge
❍ 焕之想这不是什么本身的病症；他们的境界这样地狭窄，当然不会～。(叶圣陶《倪焕之》90) Huanzhi supposed that this was not an inherent disorder; while they lived in such a narrow world it was only natural that their experience and outlook should remain equally narrow.