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形容词难以形容的; 说不出的; 说不出口
1. 非语言所能表达的：unusually /显着地/异常地/ | unutterable /非语言所能表达的/ | unutterably /非语言所能表达地/
2. 不可言传的：vulnerable 易受伤的,弱小的;易受...攻击的 | unutterable 不可言传的 | desirable 称心的,合意的,理想的
1. （尤指不好的事情）无以名状的，难以形容的，莫名的
You can use unutterable to emphasize that something, especially a bad quality, is great in degree or intensity.
e.g. I am at the beginning of a new and unutterable loneliness.
我再次陷入莫名的孤独寂寞中。
e.g. ...unutterable rubbish.
一派胡言
3. 七彩网·英语单词大全
adj
1. very difficult to pronounce correctly
e.g. an unpronounceable foreign word
unutterable consonant clusters
Synonym: unpronounceable
2. defying expression or description
e.g. indefinable yearnings
indescribable beauty
ineffable ecstasy
inexpressible anguish
unspeakable happiness
unutterable contempt
a thing of untellable splendor
Synonym: indefinableindescribableineffableunspeakableuntellable
3. too sacred to be uttered
e.g. the ineffable name of the Deity
Synonym: ineffableunnameableunspeakable