taboo

英 /təˈbuː/ 　美 /təˈbuː/

n. 禁忌a social rule against discussing or doing something
adj. 禁忌的；忌讳的considered unacceptable to discuss or do within a particular group

Discussing salaries remains a taboo in our office.

在我们办公室，讨论薪资仍是禁忌。

Public education can challenge the taboo surrounding mental illness and encourage more people to seek support.

公众教育可以挑战围绕精神疾病的禁忌，鼓励更多人寻求支持。

搭配

break a taboo 打破禁忌a taboo subject 忌讳的话题a taboo against 对……的禁忌

名词指禁忌；形容词可说a taboo subject。