sacred cow

US /ˈseɪ.krəd kaʊ/
UK /ˈseɪ.krəd kaʊ/
"sacred cow" picture
1.

神聖不可侵犯的事物, 禁忌

a person, idea, or institution that is considered to be above criticism or attack, often unreasonably so

:
The company's old policies have become sacred cows that no one dares to question.
公司的舊政策已經成為無人敢質疑的神聖不可侵犯的事物
For many, the national health service is a sacred cow that should not be privatized.
對許多人來說,國家醫療服務是不可侵犯的神聖事物,不應私有化。