猶言批郄導窾。比喻善於從關鍵處入手，順利解決問題。
批砉導窾，pī huā dǎo kuǎn，成語，比喻善於從關鍵處入手，順利解決問題。 更多→ 批砉導窾
Cut the bones between the joints and make use of the momentum to decompose the boneless parts