六親不認 liùqīn-bùrèn [refuse to have anything to do with all one’s relatives and friends; disdain to recognize one's kin] 六親:泛指一切親戚。六親不認,所有親戚,一概不認。是說(shuō)一個(gè)人過(guò)于冷酷自私,只顧自己,不顧別人 。
;現在也用來(lái)形容鐵面無(wú)私,照章辦事,不講私情他六親不認,不管是老師傅,老同學(xué)還是新徒工,犯在他手里,一視同仁