[pī xì dǎo yín]   

批    隙    导    窾    比喻善于从关键处入手，顺利解决问题。同“批郤导窾”。

批隙导窾，是汉语词汇，出自《庄子·养生主》，解释为善于从关键处入手，顺利解决问题。同“批郤导窾”。

Cut the bones between the joints and make use of the momentum to decompose the boneless parts

批逆龙鳞    批吭捣虚    批郄导窾    批郤导窾    批砉导窾