To keep one's talent or abilities hidden, waiting for the right opportunity or a suitable appreciation; to bide one's time. It can also imply a person of great talent living in seclusion.
他大学毕业后，没有立刻就业，而是选择继续深造，希望能学有所成再韫椟待价
After graduating from university, he didn't immediately seek employment but chose to pursue further studies, hoping to achieve something significant before biding his time for the right opportunity.
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