unmentionable

1. Has he got some unmentionable disease?
他有什么说不出口的病吗?

《柯林斯英汉双解大词典》

2. Why do people have so much trouble mentioning that unmentionable state?
为什么人们提起这件难以启齿的事时这么麻烦?

youdao

3. Why do people have so much trouble mentioning that unmentionable state?
为什么人们提起这件难以启齿的事时这么麻烦?

youdao