不可言喻的难以表达的；难以描叙的 Incapable of being expressed; indescribable or unutterable.
即席表演的没有准备或事先思考而表演或表达的 Performed or expressed without preparation or forethought.
浓缩一个单一符号或单词与一组包含思想、感情或冲动等内容的心理活动相联系的过程，尤指在梦中所表达的 The process by which a single symbol or word is associated with the emotional content of a group of ideas, feelings, memories, or impulses, especially as expressed in dreams.
思想是用(通过)言语表达的。 Thoughts are expressed by means of words.
