ignorant

ignorant, illiterate

形容词 ignorant:

1. uneducated in general; lacking knowledge or sophistication
   同义词：nescient, unenlightened, unlearned, unlettered
2. uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field
   同义词：illiterate
3. unaware because of a lack of relevant information or knowledge
   同义词：unknowledgeable, unknowing, unwitting

1. He confessed himself (to be) totally ignorant of their plans.
   他承认自己对於他们的计划一无所知。
2. She regarded her critics as ignorant and prejudiced.
   她认为那些批评她的人既无知又存有偏见。
3. I'm ignorant of his plan.
   我对他的计划一无所知。
4. Ignorant children sometimes laugh at beggars and tramps.
   无知的孩子们有时会嘲笑乞丐和无家可归的人。
5. His ignorant behaviour at the dinner table caused much embarrassment.
   他在餐桌上举止粗鲁，在座的人颇为难堪。
6. He's so ignorant that he cannot write his own name.
   他很无知，连自己的名字都写不出。

ig.no.rant

adj.（形容词）
Lacking education or knowledge.
无知的，愚昧的：缺少教育或知识的
Showing or arising from a lack of education or knowledge:
显示无知的或由无知产生的：
例句：
an ignorant mistake.
很愚蠢的错误

Unaware or uninformed.
无知觉的，消息不灵通的

来源：
Middle English ignoraunt
中古英语 ignoraunt
from Old French ignorant
源自 古法语 ignorant
from Latin ignôr3ns ignôrant- [present participle of] ignôr3re [to be ignorant, not to know] * see gnô-
源自 拉丁语 ignôr3ns ignôrant- [] ignôr3re的现在分词 [显得无知，不知道] *参见 gnô-

【引伸】
ig.norantly
adv.（副词）
<参考词汇><同义词>ignorant,uneducated,untaught,unlearned,untutored,unlettered,illiterateThese adjectives mean lacking in knowledge or education.
这些形容词的意思都是指缺少知识或教育的。
Ignorant can refer to a person`s low level of knowledge in generalor to the person`s lack of information about or awareness of a specific fact or subject:
Ignorant 一词可指一个人总体上的知识水平很低，也可指一个人对特定事件或主题缺少了解或知晓：
例句：
was ignorant of the hidden dangers.
不知道潜伏的危险。

Uneducated, untaught, unlearned, anduntutored imply lack of schooling:
Uneducated，untaught，unlearned 和untutored 指的是缺少学校教育：
例句：
uneducated youngsters;
没受过教育的年轻人；

例句：
untaught people whose verbal skills are grossly deficient;
语言技巧极度匮乏的没上过学的人们；

例句：
an unlearned group incapable of understanding complex issues;
不懂复杂问题的没念过书的一群人；

例句：
an untutored genius.
自学成长的天才。

Unlettered describes one deficient in book learning:
Unlettered 一词是指书本知识的匮乏：
例句：
exhibited contempt for his unlettered colleagues.
对他肚子里缺少墨水的同事显得不屑一顾。

Illiterate most often refers to the inability to meet an established minimum level of achievement in reading and writing:
Illiterate 则常常指达不到最低阅读和写作水平的：
例句：
developed special tutorials to assist the illiterate sector of society.
建立特殊教育来帮助社会上不识字的人们。