1. It's too profound: The concept or experience is so deeply meaningful or awe-inspiring that words fail to capture its essence. Think of the vastness of the universe or the feeling of pure love.
2. It's too complex: The idea is so intricate or multifaceted that it cannot be fully conveyed through a linear, spoken language.
3. It's taboo or forbidden: The subject matter is considered inappropriate or dangerous to speak about, perhaps due to social norms or religious beliefs.
4. It's simply unknowable: The thing in question exists beyond human comprehension, like the nature of consciousness or the existence of God.
Examples:
* "The beauty of the sunset was cannot be uttered." - The beauty is so profound it's impossible to express in words.
* "The secrets of the ancient text were cannot be uttered." - The knowledge is forbidden or too dangerous to speak.
* "The feeling of true peace is cannot be uttered." - The experience is beyond description.
Ultimately, "cannot be uttered" is a powerful statement that highlights the limitations of language and the existence of experiences that transcend our ability to articulate them.