tàn​lí​dé​zhū

grasp essence

探骊得珠 (探驪得珠) tàn​lí​dé​zhū
grasp essence
to pick out the salient points from a complex situation or text; to see through to the core of a matter
pluck dragon's pearl
to pluck a pearl from the black dragon (idiom from Zhuangzi), signifying obtaining something precious through great risk

Frequency

Written text
0.004 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)