s. uneducated in general; lacking knowledge or sophistication
s. uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field
s. unaware because of a lack of relevant information or knowledge
a. 无知识的, 不知道的, 由无知产生的
[法] 无知的, 愚昧的, 不知情的
1. Many people are ignorant about the importance of recycling.
许多人对回收的重要性一无所知。
2. She was ignorant of the rules, so she didn't know she was breaking them.
她对规则一无所知，所以她不知道自己在违反规则。
3. It's important to educate the ignorant to create a better society.
教育无知的人是创造更好社会的重要任务。