unpalatable truth

难以接受的真相：指令人不愉快或难以接受的真相或事实。
常用释义
难以接受的真相：指令人不愉快或难以接受的真相或事实。

例句

The unpalatable truth is that the modern teacher has no alternative to thinking out these matters for [herself or]himself.

苦涩的事实就是，现代的教师除了自己解决这些问题外，别无选择。

关于主权信用违约掉期的辩论是烟幕，掩盖了一个令人不快的真相。

Ultimately, the unpalatable truth for the housing market is that it is stuck which ever way the economy turns.

住宅市场终将面对一个残酷的现实：无论经济走势如何，它都难逃困境。