To possess talent but choose to live in seclusion; to conceal one's abilities and withdraw from public life, often out of humility or dissatisfaction, like keeping a valuable pearl hidden in its casket.
他深知自己学识渊博，却不愿炫耀，反而选择韫椟而藏，在乡间默默耕耘。
He knew his knowledge was profound but chose not to flaunt it, instead opting to conceal his talents and quietly cultivate his pursuits in the countryside.
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