劍橋詞典lack of knowledge , understanding , or information about something 無(wú)知，愚昧 Public ignorance about the disease is still a cause for concern . 公眾對(duì)這一疾病的無(wú)知仍是一個(gè)令人擔(dān)憂的問題。 Patients, it is claimed , were kept /left in ignorance of what was wrong with them. 據(jù)稱，病人對(duì)于自己得了什么病還被蒙在鼓里。 習(xí)語(yǔ)ignorance is bliss 返回 ignorance