批郤导窾

[成语]
pī xì dǎo kuǎn

[含义]
批：击；郤：空隙；窾：骨节空处。从骨头接合处批开，无骨处则就势分解。比喻善于从关键处入手，顺利解决问题。

[来源]
《庄子·养生主》：“批大郤，导大窾。”


[英文]
cut the bones between the joints and make use of the momentum to decompose the boneless parts