unenlightened [ˌʌninˈlaitnd] a.无知的，落后的

　　[真题例句] The goal of all will be to try to explain to a confused and often unenlightened citizenry that there are not two equally valid scientific theories for the origin and evolution of universe and life.[1996年阅读5]

[例句精译] 所有这些书的目的是试图告诉那些迷惑而且常常是还不开通的人：就宇宙和生命的起源与发展问题而言，不可能存在两种都成立的科学理论。