Idiom for illiteracy.

I. Illiteracy [mübüshid and ng]

Explanation: I don't even know the most common word "D". I don't know a word.

From: Liu Shao's Biography of Zhang Hongjing, an Old Book of the Tang Dynasty: "Nothing happened today. Your generation, knowing a T-shape is better than holding two stone bows. "

Now there is nothing in the world, you might as well learn about a T-bend.

Second, no learning and no skill.

Interpretation: learning: learning; Skill: Skill. The original intention is that there is no learning and no way. Now it means no learning and no ability.

From: The Biography of Han Huo Guang by Ban Gu in the Eastern Han Dynasty: "It is darker than Dali if you don't learn the art of death."

However, Huo Guang is ignorant and dark in Dali.

Third, there is nothing.

Description: I have no professional knowledge.

From: Qing Wu Ren Jian's The Present Situation of Wonders Witnessed in Twenty Years, the ninetieth time: "In that diary, when I mentioned his brother-in-law, I said that he was young and his trousers were too heavy. Apart from socializing, he is incompetent, uncertain and moody. "

Fourth, there is no ink on the chest [Xi not ng Wu di m:n mò]

Explanation: There is no ink in my stomach. A man without culture.

From: Hu Tianlu, a hundred laymen in Huaiyin, Qing Dynasty: "The family is well-off, and parents love it because of their only son. After studying for ten years, there is no ink on my chest. "

My family used to be rich, and my parents thought it was because of my son that they liked him very much. After studying for ten years, they have no ink on their chests.

I don't know anyone.

Explanation: I don't know a word.

From: Liu Shao's Biography of Zhang Hongjing, an Old Book of the Tang Dynasty: "Nothing happened today. Your generation, knowing a T-shape is better than holding two stone bows. "

Now there is nothing in the world, you might as well learn about a T-bend.