不可救药

He has an incurable and widespread nepotism.

们有救药，到处蔓延裙带主义。

They are trying to cure him of his drug addiction but he is beyond hope.

们想治愈瘾, 但已经救药了。

My children are hopelessly addicted to television.

我几个孩子都成了电视迷,简直救药了。