劍橋詞典lack of knowledge , understanding , or information about something 無知，愚昧 Public ignorance about the disease is still a cause for concern . 公衆(zhòng)對這一疾病的無知仍是一個令人擔憂的問題。 Patients, it is claimed , were kept /left in ignorance of what was wrong with them. 據(jù)稱，病人對於自己得了什麼病還被矇在鼓裡。 習語ignorance is bliss 返回 ignorance