ignorant

/ˈɪɡnərənt/📚 7478 2四级六级考研托福
If you describe someone as ignorant, you mean that they do not know things they should know. If someone is ignorant of a fact, they do not know it. 无知的

adjective [原级]无知的,(对某事物)不了解的;<非正式>无礼的,粗鲁的;暴躁的,易怒的

People are sometimes described as ignorant when they do something that is not polite or kind.
不礼貌的

ignorant 出现在下面的课文中(提供视频、音频及笔记等可系统性学习)
Lesson 28 Patients and doctors
Lesson 34 Adolescence
i(不) + gno(r)(知道) + ant(形容词后缀) → 不知道的 → 无知的
单词造句:
网友用“Ignorant”造句精选
People don't like to ask questions for fear of appearing ignorant. 人们不喜欢问问题,生怕显得自己无知。
I met some ignorant people who called me all kinds of names. 我碰见了一些粗鲁人,他们用各种名称叫我。
He's ignorant about modern technology. 他对现代科技一无所知。
Never make your students feel ignorant. 千万别让你的学生感到自己一无所知。
He was self-important, vain and ignorant. 他自大、虚荣、而且无知。