adj.无知的；愚昧的；不知道的
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。
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。
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。
I'm ignorant of his plan. 我对他的计划一无所知。
I was quite ignorant when the earthquake happened. 我完全不知道地震在什么时候发生的。
