◎ 批郤導(dǎo)窽 pīxì-dǎokuǎn
[make penetrating criticism(like carving joints by skillful butcher);hit the nail on the head] 《莊子·養(yǎng)生主》:“依乎天理,批大郤,導(dǎo)大窽,因其固然?！痹诠穷^接合的地方批開,沒有骨頭的地方則就勢分解。比喻抓住關(guān)鍵,事情就能順利解決