adj.无法表达的，难以言表的，说不出的

The pain he felt was so profound that it was virtually unutterable.
他所感受到的痛苦深到几乎无法言说。
The horrors of war are often unutterable, leaving deep emotional scars.
战争的恐怖往往难以言表，会给人们留下深刻的情感创伤。
Her grief at her son's death was an unutterable sorrow.
她对儿子去世的悲痛是无法表达的哀伤。
The beauty of the sunset was unutterable; words couldn't capture its essence.
日落的美无法用言语形容，语言无法捕捉其精髓。
The loneliness she experienced in the vast wilderness was utterly unutterable.
她在广袤荒野中感受到的孤独是无法言喻的。
The guilt he carried for his past mistakes was an unutterable burden.
他对过去错误的内疚感是一个无法言说的重负。
The love between them was so deep and pure, it was almost unutterable.
他们之间的爱如此深沉纯净，几乎无法用言语表达。
The fear that gripped her in the dark was unutterable, paralyzing her with terror.
黑暗中笼罩她的恐惧无法言说，使她惊恐得无法动弹。
The relief they felt when they were finally rescued was an unutterable joy.
当他们终于获救时，他们感受到的宽慰是一种无法言表的喜悦。
The betrayal by a close friend left him with an unutterable sense of hurt.
亲密朋友的背叛给他留下了无法言说的伤痛。