adj.难以说出口的，不堪入耳的

The unspeakable horrors of war are etched into the memories of generations.
战争中那些无法言说的恐怖痕迹刻在了世代的记忆里。
She dared not utter the unspeakable truth about her past.
她不敢说出关于她过去的那个不可言喻的事实。
The unspeakable pain of losing a loved one is something no one should ever have to endure.
失去亲人那种难以言喻的痛苦，没有人应该承受。
His silence on the matter was as good as an admission of the unspeakable crime.
他对这件事保持沉默，等于默认了那桩不堪言说的罪行。
The museum displayed artifacts from an era shrouded in unspeakable mysteries.
博物馆展出了那个被深深隐藏着神秘的年代的文物。
The unspeakable suffering endured by those with terminal illnesses is unimaginable to most people.
终末期疾病的患者所承受的无法言说的痛苦，常人难以想象。
The survivors of the disaster shared their unspeakable trauma during the support group sessions.
在支持小组会议上，灾难幸存者分享了他们难以言表的创伤。
The author's novel delves into the unspeakable secrets of a small, seemingly idyllic town.
这位作者的小说深入探讨了一个看似宁静小镇的不可言喻的秘密。
No words can adequately express the unspeakable gratitude I feel for your help.
对你的帮助，我无法用言语充分表达出那份难以言喻的感激。
The act of betrayal was so heinous that it became an unspeakable topic among friends.
背叛的行为如此恶劣，以至于在朋友间成为了不可言说的话题。