不可告人的用英语怎么说？

不可告人的

例句

• She definitely had an ulterior motive in offering to help. 她主动提出帮忙,肯定有不可告人的动机.
• A Machiavellian plot was suspected. 人们怀疑背后有不可告人的阴谋。
• This constrained and messy adultery was a damned poor substitute for having a wife. 这种不自然的,不可告人的私情,也算是聊慰无妻之苦吧,但未免太糟糕了.
• There has been a murky conspiracy to keep them out of power. 有人策划了一个不可告人的阴谋要将他们排斥在权力中心之外。
• The past is riddled with deep dark secrets. 过去承载了诸多不可告人的惊天秘密。