无知无识 ignorant and uneducated
Explanation
指缺乏知识和见识，愚昧无知。
Refers to a lack of knowledge and experience, ignorance.
Origin Story
从前，在一个偏远的小山村里，住着一位名叫小明的年轻人。小明从小生活在与世隔绝的环境中，没有接受过任何教育，对外面的世界一无所知。他整天在村子里闲逛，对任何事情都漠不关心，显得十分无知无识。有一天，村里来了一位云游四方的学者，他见小明如此无知无识，便决定帮助他打开眼界。学者耐心地向小明讲解天文地理、历史典故等知识，并鼓励他多读书，多学习。在学者的帮助下，小明逐渐认识到自身的不足，开始认真学习，努力改变自己。几年后，小明已经脱胎换骨，成为一位知识渊博的人，他不仅获得了丰富的知识，更重要的是他学会了如何去学习，如何去思考。他用自己的经历告诉人们，只要肯学习，肯努力，任何人都可以改变自己的命运。
Once upon a time, in a remote mountain village, lived a young man named Xiaoming. Xiaoming grew up in an isolated environment, never received any education and was completely ignorant of the outside world. He spent his days wandering around the village, indifferent to everything, appearing quite ignorant and uneducated. One day, a traveling scholar came to the village. Seeing Xiaoming's ignorance, he decided to help him broaden his horizons. The scholar patiently explained astronomy, geography, historical anecdotes and other knowledge to Xiaoming, encouraging him to read more and learn more. With the scholar's help, Xiaoming gradually realized his shortcomings and began to study seriously and strive to improve himself. After several years, Xiaoming had been transformed into a well-educated man. He not only gained a wealth of knowledge, but more importantly, he learned how to learn and how to think. He used his experiences to tell people that as long as they are willing to learn and work hard, anyone can change their destiny.
Usage
形容一个人缺乏知识和见识，愚昧无知。
To describe a person lacking knowledge and insight, ignorant.
Examples
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他做事总是无知无识，缺乏经验。
ta zuòshì zǒngshì wúzhīwúshí, quēfá jīngyàn.
He always does things without knowing, lacking experience.
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这个无知无识的孩子竟然敢顶撞老师！
zhège wúzhīwúshí de háizi jìngrán gǎn dǐngzhuàng lǎoshī！
This ignorant child dares to contradict the teacher!