不可言传的

例句：

1. 1. The depth of his love was so profound that it was unspeakable.
   他的爱情之深，难以言表。
2. 2.The beauty of nature is unspeakable; it's beyond words.
   大自然的美是无法用言语形容的。
3. 3. His story is unspeakable;I can't even begin to describe it.
   他的故事是说不完的；我甚至无法开始描述。