lack of knowledge or facts about a situation or a particular subject 无知；愚昧 | decisions based on ignorance and prejudice 基于无知和偏见作出的决定 |
| It would have been better to have remained in ignorance. 要是还是什么都不知道就好了。 |
| +of Ignorance of the law is no excuse. 不懂法不能成为借口。 |
| +about There is a lot of public ignorance about how the disease is spread. 公众对该病的传播方式知之甚少。 |
| show/betray ignorance His comments showed his total ignorance of the situation. 他的评论表明他对形势毫不了解。 |