unspeakable horror
unspeakable pain
unspeakable cruelty
A: How was the experience of the earthquake?
A：地震的经历怎么样？
B: It was unspeakable, words cannot describe the loss.
B：简直无法言说，语言无法形容那样的损失。
1) 无法用言语表达的
2) 极坏的，恐怖的
3) 难以名状的
1. 无法言喻的；极坏的
adjective
1. Too bad, extreme, or beautiful to be described in words
Synonym: indescribable, terrible