cí​bù​dá​yì

words fail to convey meaning

  1. word
    a single unit of language with a fixed meaning and pronunciation that can be used independently; term; vocabulary item
  2. adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  3. to convey one's meaning
    to express or convey one's thoughts or ideas