Question

ignorance n.无知,不知 The noun ignorance is not a synonym for "stupidity," since its meaning is closer to "being uninformed" than "being unintelligent." Ignorance implies that a person or group needs to be educated on a particular subject. You might have heard the phrase "ignorance is bliss," which means that sometimes it's easier when you don't know the whole truth about something and can be blissfully happy, unaware of unpleasant realities. ★★☆☆☆ 2003.2

Accepted Answer

['ignərəns] If you didn't do any of the reading or homework for your Russian history class, you are probably hoping the teacher won't call on you, so you can hide your ignorance, or lack of knowledge. ignorance about medical science 1[N-UNCOUNT 不可数名词]无知；愚昧 Ignorance of something is lack of knowledge about it.   [oft N of/about n]I am embarrassed by my complete ignorance of history...我对历史一无所知，这让我很难堪。There is so much ignorance about mental illness...人们对精神疾病很不了解。In my ignorance I had never heard country & western music.我很无知，从来没听过乡村与西部音乐。

英语单词	ignorance
英美音标	['ignərəns]
中文释义	n.无知,不知
vocab简明	If you didn't do any of the reading or homework for your Russian history class, you are probably hoping the teacher won't call on you, so you can hide your ignorance, or lack of knowledge.
vocab扩展	The noun ignorance is not a synonym for "stupidity," since its meaning is closer to "being uninformed" than "being unintelligent." Ignorance implies that a person or group needs to be educated on a particular subject. You might have heard the phrase "ignorance is bliss," which means that sometimes it's easier when you don't know the whole truth about something and can be blissfully happy, unaware of unpleasant realities.
真题原句	ignorance about medical science
柯林斯星级	★★☆☆☆
柯林斯解释	1 [N-UNCOUNT 不可数名词]无知；愚昧 Ignorance of something is lack of knowledge about it. [oft N of/about n] I am embarrassed by my complete ignorance of history... 我对历史一无所知，这让我很难堪。 There is so much ignorance about mental illness... 人们对精神疾病很不了解。 In my ignorance I had never heard country & western music. 我很无知，从来没听过乡村与西部音乐。
来源	2003.2

Ignorance Lack Heard I Ignərəns N.无知,不知 Reading Homework