"unmentionable" in Chinese (Simplified)
不可说的难以启齿的
Definition
不能公开谈论的事物，通常因为尴尬、禁忌或不适宜。有时也幽默或间接地指内衣。
Usage Notes (Chinese (Simplified))
“Unmentionable” 多用于形容禁忌或令人尴尬的话题（如性、生理等），或幽默地指内衣。讲到衣物时常用复数形式“unmentionables”。日常对话中偶尔用于玩笑或委婉表达。
Examples
Some topics at dinner are considered unmentionable.
有些话题在晚餐时被认为是**不可说的**。
She avoided any unmentionable details in her story.
她在故事中避免了任何**难以启齿的**细节。
Old movies sometimes call underwear 'the unmentionables'.
老电影有时把内衣称为“**不可说的**”。
Just thinking about what happened is completely unmentionable to me.
光是想一想发生的事情对我来说就已经**难以启齿**了。
He embarrassed his sister by talking about her unmentionables in public.
他在公开场合谈论她的**内衣**让她很尴尬。
We all agreed that the incident was best left unmentionable.
我们都认为那件事最好保持**不提**。